5v93

==Cryo-EM structure of the 70S ribosome from Mycobacterium tuberculosis bound with Capreomycin==

==Cryo-EM structure of the 70S ribosome from Mycobacterium tuberculosis bound with Capreomycin==

== Structural highlights ==

== Structural highlights ==

<table><tr><td colspan='2'>[[5v93]] is a 51 chain structure with sequence from [http://en.wikipedia.org/wiki/Mycobacterium_tuberculosis Mycobacterium tuberculosis] and [http://en.wikipedia.org/wiki/Streptomyces_puniceus Streptomyces puniceus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5V93 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5V93 FirstGlance]. <br>

<table><tr><td colspan='2'>[[5v93]] is a 51 chain structure with sequence from [http://en.wikipedia.org/wiki/Mycobacterium_tuberculosis Mycobacterium tuberculosis] and [http://en.wikipedia.org/wiki/Streptomyces_puniceus Streptomyces puniceus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5V93 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5V93 FirstGlance]. <br>

<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5v93 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5v93 OCA], [http://pdbe.org/5v93 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5v93 RCSB], [http://www.ebi.ac.uk/pdbsum/5v93 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=5v93 ProSAT]</span></td></tr>

<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5v93 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5v93 OCA], [http://pdbe.org/5v93 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5v93 RCSB], [http://www.ebi.ac.uk/pdbsum/5v93 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=5v93 ProSAT]</span></td></tr>

</table>

</table>

== Function ==

== Function ==

[[http://www.uniprot.org/uniprot/A0A045IDD2_MYCTX A0A045IDD2_MYCTX]] This protein is located at the 30S-50S ribosomal subunit interface and may play a role in the structure and function of the aminoacyl-tRNA binding site.[HAMAP-Rule:MF_00402][RuleBase:RU000559] [[http://www.uniprot.org/uniprot/A0A045IXU4_MYCTX A0A045IXU4_MYCTX]] One of the proteins that surrounds the polypeptide exit tunnel on the outside of the subunit.[HAMAP-Rule:MF_01326] One of two assembly initiator proteins, it binds directly to the 5'-end of the 23S rRNA, where it nucleates assembly of the 50S subunit.[HAMAP-Rule:MF_01326] [[http://www.uniprot.org/uniprot/A0A0T7M0A0_MYCTX A0A0T7M0A0_MYCTX]] Binds to the 23S rRNA.[HAMAP-Rule:MF_01341][SAAS:SAAS00687840] [[http://www.uniprot.org/uniprot/A0A045IWV9_MYCTX A0A045IWV9_MYCTX]] Binds 23S rRNA and is also seen to make contacts with the A and possibly P site tRNAs.[HAMAP-Rule:MF_01342][RuleBase:RU004414] [[http://www.uniprot.org/uniprot/A0A0U0S3A8_MYCTX A0A0U0S3A8_MYCTX]] Binds to 23S rRNA. Forms part of two intersubunit bridges in the 70S ribosome.[HAMAP-Rule:MF_01367][RuleBase:RU003950] [[http://www.uniprot.org/uniprot/A0A045GT82_MYCTX A0A045GT82_MYCTX]] Located at the top of the head of the 30S subunit, it contacts several helices of the 16S rRNA. In the 70S ribosome it contacts the 23S rRNA (bridge B1a) and protein L5 of the 50S subunit (bridge B1b), connecting the 2 subunits; these bridges are implicated in subunit movement. Contacts the tRNAs in the A and P-sites.[HAMAP-Rule:MF_01315] [[http://www.uniprot.org/uniprot/A0A045JAK4_MYCTX A0A045JAK4_MYCTX]] This is one of the proteins that binds to the 5S RNA in the ribosome where it forms part of the central protuberance.[HAMAP-Rule:MF_01334][SAAS:SAAS00720025] [[http://www.uniprot.org/uniprot/A0A045J9M3_MYCTX A0A045J9M3_MYCTX]] One of the early assembly proteins it binds 23S rRNA. One of the proteins that surrounds the polypeptide exit tunnel on the outside of the ribosome. Forms the main docking site for trigger factor binding to the ribosome.[HAMAP-Rule:MF_01369] [[http://www.uniprot.org/uniprot/A0A045JW48_MYCTX A0A045JW48_MYCTX]] Binds to the 23S rRNA.[HAMAP-Rule:MF_00503] [[http://www.uniprot.org/uniprot/A0A045JK28_MYCTX A0A045JK28_MYCTX]] This is one of the proteins that binds and probably mediates the attachment of the 5S RNA into the large ribosomal subunit, where it forms part of the central protuberance.[HAMAP-Rule:MF_01337] [[http://www.uniprot.org/uniprot/A0A045JW21_MYCTX A0A045JW21_MYCTX]] Binds as a heterodimer with protein S6 to the central domain of the 16S rRNA, where it helps stabilize the platform of the 30S subunit.[HAMAP-Rule:MF_00270] [[http://www.uniprot.org/uniprot/A0A045H760_MYCTX A0A045H760_MYCTX]] The globular domain of the protein is located near the polypeptide exit tunnel on the outside of the subunit, while an extended beta-hairpin is found that lines the wall of the exit tunnel in the center of the 70S ribosome.[HAMAP-Rule:MF_01331] This protein binds specifically to 23S rRNA; its binding is stimulated by other ribosomal proteins, e.g., L4, L17, and L20. It is important during the early stages of 50S assembly. It makes multiple contacts with different domains of the 23S rRNA in the assembled 50S subunit and ribosome.[HAMAP-Rule:MF_01331][RuleBase:RU004008] [[http://www.uniprot.org/uniprot/A0A045HU18_MYCTX A0A045HU18_MYCTX]] One of the primary rRNA binding proteins, it binds directly near the 3'-end of the 23S rRNA, where it nucleates assembly of the 50S subunit.[HAMAP-Rule:MF_01325][RuleBase:RU003906] [[http://www.uniprot.org/uniprot/A0A045GRS4_MYCTX A0A045GRS4_MYCTX]] One of the primary rRNA binding proteins, it binds directly to 16S rRNA where it nucleates assembly of the body of the 30S subunit.[HAMAP-Rule:MF_01306] With S5 and S12 plays an important role in translational accuracy.[HAMAP-Rule:MF_01306] [[http://www.uniprot.org/uniprot/A0A045J9H1_MYCTX A0A045J9H1_MYCTX]] Forms part of the polypeptide exit tunnel.[HAMAP-Rule:MF_01328] One of the primary rRNA binding proteins, this protein initially binds near the 5'-end of the 23S rRNA. It is important during the early stages of 50S assembly. It makes multiple contacts with different domains of the 23S rRNA in the assembled 50S subunit and ribosome.[HAMAP-Rule:MF_01328] [[http://www.uniprot.org/uniprot/A0A0E9AP91_MYCTX A0A0E9AP91_MYCTX]] One of the primary rRNA binding proteins, it binds specifically to the 5'-end of 16S ribosomal RNA.[HAMAP-Rule:MF_01345] [[http://www.uniprot.org/uniprot/A0A045I821_MYCTX A0A045I821_MYCTX]] Located on the platform of the 30S subunit, it bridges several disparate RNA helices of the 16S rRNA. Forms part of the Shine-Dalgarno cleft in the 70S ribosome.[HAMAP-Rule:MF_01310] [[http://www.uniprot.org/uniprot/A0A045KJ85_MYCTX A0A045KJ85_MYCTX]] Binds directly to 23S ribosomal RNA and is necessary for the in vitro assembly process of the 50S ribosomal subunit. It is not involved in the protein synthesizing functions of that subunit.[HAMAP-Rule:MF_00382][RuleBase:RU000560] [[http://www.uniprot.org/uniprot/A0A045JF49_MYCTX A0A045JF49_MYCTX]] Forms an intersubunit bridge (bridge B4) with the 23S rRNA of the 50S subunit in the ribosome.[HAMAP-Rule:MF_01343] One of the primary rRNA binding proteins, it binds directly to 16S rRNA where it helps nucleate assembly of the platform of the 30S subunit by binding and bridging several RNA helices of the 16S rRNA.[HAMAP-Rule:MF_01343][RuleBase:RU004524] [[http://www.uniprot.org/uniprot/A0A045JJU1_MYCTX A0A045JJU1_MYCTX]] This protein binds to the 23S rRNA, and is important in its secondary structure. It is located near the subunit interface in the base of the L7/L12 stalk, and near the tRNA binding site of the peptidyltransferase center.[HAMAP-Rule:MF_01365][RuleBase:RU003870] [[http://www.uniprot.org/uniprot/A0A1N6MHB1_MYCTX A0A1N6MHB1_MYCTX]] This protein binds to 23S rRNA in the presence of protein L20.[RuleBase:RU000562][SAAS:SAAS00352917] [[http://www.uniprot.org/uniprot/A0A045HLX7_MYCTX A0A045HLX7_MYCTX]] Binds the 23S rRNA.[HAMAP-Rule:MF_00501][SAAS:SAAS00804277] [[http://www.uniprot.org/uniprot/A0A045IXT2_MYCTX A0A045IXT2_MYCTX]] Protein S19 forms a complex with S13 that binds strongly to the 16S ribosomal RNA.[HAMAP-Rule:MF_00531] [[http://www.uniprot.org/uniprot/A0A045IWX2_MYCTX A0A045IWX2_MYCTX]] One of the primary rRNA binding proteins, it binds directly to 16S rRNA central domain where it helps coordinate assembly of the platform of the 30S subunit.[HAMAP-Rule:MF_01302] [[http://www.uniprot.org/uniprot/A0A045JKV0_MYCTX A0A045JKV0_MYCTX]] Located at the back of the 30S subunit body where it stabilizes the conformation of the head with respect to the body.[HAMAP-Rule:MF_01307][SAAS:SAAS00382364] With S4 and S12 plays an important role in translational accuracy.[HAMAP-Rule:MF_01307][SAAS:SAAS00382324] [[http://www.uniprot.org/uniprot/A0A045H5T7_MYCTX A0A045H5T7_MYCTX]] One of the primary rRNA binding proteins. Required for association of the 30S and 50S subunits to form the 70S ribosome, for tRNA binding and peptide bond formation. It has been suggested to have peptidyltransferase activity; this is somewhat controversial. Makes several contacts with the 16S rRNA in the 70S ribosome.[HAMAP-Rule:MF_01320] [[http://www.uniprot.org/uniprot/A0A045GXQ2_MYCTX A0A045GXQ2_MYCTX]] Binds directly to 16S ribosomal RNA.[HAMAP-Rule:MF_00500] [[http://www.uniprot.org/uniprot/A0A045HTN2_MYCTX A0A045HTN2_MYCTX]] Involved in the binding of tRNA to the ribosomes.[HAMAP-Rule:MF_00508] [[http://www.uniprot.org/uniprot/A0A045HUU0_MYCTX A0A045HUU0_MYCTX]] This is 1 of the proteins that binds and probably mediates the attachment of the 5S RNA into the large ribosomal subunit, where it forms part of the central protuberance. In the 70S ribosome it contacts protein S13 of the 30S subunit (bridge B1b), connecting the 2 subunits; this bridge is implicated in subunit movement. Contacts the P site tRNA; the 5S rRNA and some of its associated proteins might help stabilize positioning of ribosome-bound tRNAs.[HAMAP-Rule:MF_01333] [[http://www.uniprot.org/uniprot/A0A0T9D5H2_MYCTX A0A0T9D5H2_MYCTX]] This protein is one of the early assembly proteins of the 50S ribosomal subunit, although it is not seen to bind rRNA by itself. It is important during the early stages of 50S assembly.[HAMAP-Rule:MF_01366][RuleBase:RU003878][SAAS:SAAS00725369] [[http://www.uniprot.org/uniprot/A0A045JMN7_MYCTX A0A045JMN7_MYCTX]] One of the primary rRNA binding proteins, it binds directly to 16S rRNA where it nucleates assembly of the head domain of the 30S subunit. Is located at the subunit interface close to the decoding center, probably blocks exit of the E-site tRNA.[HAMAP-Rule:MF_00480] [[http://www.uniprot.org/uniprot/A0A045H4H6_MYCTX A0A045H4H6_MYCTX]] Binds the lower part of the 30S subunit head. Binds mRNA in the 70S ribosome, positioning it for translation.[HAMAP-Rule:MF_01309] [[http://www.uniprot.org/uniprot/A0A045HUG3_MYCTX A0A045HUG3_MYCTX]] Binds 16S rRNA, required for the assembly of 30S particles and may also be responsible for determining the conformation of the 16S rRNA at the A site.[HAMAP-Rule:MF_01364][SAAS:SAAS00344925] [[http://www.uniprot.org/uniprot/A0A045JVY9_MYCTX A0A045JVY9_MYCTX]] Binds together with S18 to 16S ribosomal RNA.[HAMAP-Rule:MF_00360][SAAS:SAAS00348112] [[http://www.uniprot.org/uniprot/M9TET4_MYCTX M9TET4_MYCTX]] Interacts with and stabilizes bases of the 16S rRNA that are involved in tRNA selection in the A site and with the mRNA backbone. Located at the interface of the 30S and 50S subunits, it traverses the body of the 30S subunit contacting proteins on the other side and probably holding the rRNA structure together. The combined cluster of proteins S8, S12 and S17 appears to hold together the shoulder and platform of the 30S subunit.[HAMAP-Rule:MF_00403][RuleBase:RU003623] With S4 and S5 plays an important role in translational accuracy.[HAMAP-Rule:MF_00403][RuleBase:RU003623]

[[http://www.uniprot.org/uniprot/A0A045IDD2_MYCTX A0A045IDD2_MYCTX]] This protein is located at the 30S-50S ribosomal subunit interface and may play a role in the structure and function of the aminoacyl-tRNA binding site.[HAMAP-Rule:MF_00402][RuleBase:RU000559] [[http://www.uniprot.org/uniprot/A0A045IXU4_MYCTX A0A045IXU4_MYCTX]] One of the proteins that surrounds the polypeptide exit tunnel on the outside of the subunit.[HAMAP-Rule:MF_01326] One of two assembly initiator proteins, it binds directly to the 5'-end of the 23S rRNA, where it nucleates assembly of the 50S subunit.[HAMAP-Rule:MF_01326] [[http://www.uniprot.org/uniprot/A0A0T7M0A0_MYCTX A0A0T7M0A0_MYCTX]] Binds to the 23S rRNA.[HAMAP-Rule:MF_01341][SAAS:SAAS00687840] [[http://www.uniprot.org/uniprot/A0A045IWV9_MYCTX A0A045IWV9_MYCTX]] Binds 23S rRNA and is also seen to make contacts with the A and possibly P site tRNAs.[HAMAP-Rule:MF_01342][RuleBase:RU004414] [[http://www.uniprot.org/uniprot/A0A0U0S3A8_MYCTX A0A0U0S3A8_MYCTX]] Binds to 23S rRNA. Forms part of two intersubunit bridges in the 70S ribosome.[HAMAP-Rule:MF_01367][RuleBase:RU003950] [[http://www.uniprot.org/uniprot/A0A045GT82_MYCTX A0A045GT82_MYCTX]] Located at the top of the head of the 30S subunit, it contacts several helices of the 16S rRNA. In the 70S ribosome it contacts the 23S rRNA (bridge B1a) and protein L5 of the 50S subunit (bridge B1b), connecting the 2 subunits; these bridges are implicated in subunit movement. Contacts the tRNAs in the A and P-sites.[HAMAP-Rule:MF_01315] [[http://www.uniprot.org/uniprot/A0A045JAK4_MYCTX A0A045JAK4_MYCTX]] This is one of the proteins that binds to the 5S RNA in the ribosome where it forms part of the central protuberance.[HAMAP-Rule:MF_01334][SAAS:SAAS00720025] [[http://www.uniprot.org/uniprot/A0A045J9M3_MYCTX A0A045J9M3_MYCTX]] One of the early assembly proteins it binds 23S rRNA. One of the proteins that surrounds the polypeptide exit tunnel on the outside of the ribosome. Forms the main docking site for trigger factor binding to the ribosome.[HAMAP-Rule:MF_01369] [[http://www.uniprot.org/uniprot/A0A045JW48_MYCTX A0A045JW48_MYCTX]] Binds to the 23S rRNA.[HAMAP-Rule:MF_00503] [[http://www.uniprot.org/uniprot/A0A045JK28_MYCTX A0A045JK28_MYCTX]] This is one of the proteins that binds and probably mediates the attachment of the 5S RNA into the large ribosomal subunit, where it forms part of the central protuberance.[HAMAP-Rule:MF_01337] [[http://www.uniprot.org/uniprot/A0A045JW21_MYCTX A0A045JW21_MYCTX]] Binds as a heterodimer with protein S6 to the central domain of the 16S rRNA, where it helps stabilize the platform of the 30S subunit.[HAMAP-Rule:MF_00270] [[http://www.uniprot.org/uniprot/A0A045H760_MYCTX A0A045H760_MYCTX]] The globular domain of the protein is located near the polypeptide exit tunnel on the outside of the subunit, while an extended beta-hairpin is found that lines the wall of the exit tunnel in the center of the 70S ribosome.[HAMAP-Rule:MF_01331] This protein binds specifically to 23S rRNA; its binding is stimulated by other ribosomal proteins, e.g., L4, L17, and L20. It is important during the early stages of 50S assembly. It makes multiple contacts with different domains of the 23S rRNA in the assembled 50S subunit and ribosome.[HAMAP-Rule:MF_01331][RuleBase:RU004008] [[http://www.uniprot.org/uniprot/A0A045HU18_MYCTX A0A045HU18_MYCTX]] One of the primary rRNA binding proteins, it binds directly near the 3'-end of the 23S rRNA, where it nucleates assembly of the 50S subunit.[HAMAP-Rule:MF_01325][RuleBase:RU003906] [[http://www.uniprot.org/uniprot/A0A045GRS4_MYCTX A0A045GRS4_MYCTX]] One of the primary rRNA binding proteins, it binds directly to 16S rRNA where it nucleates assembly of the body of the 30S subunit.[HAMAP-Rule:MF_01306] With S5 and S12 plays an important role in translational accuracy.[HAMAP-Rule:MF_01306] [[http://www.uniprot.org/uniprot/A0A045J9H1_MYCTX A0A045J9H1_MYCTX]] Forms part of the polypeptide exit tunnel.[HAMAP-Rule:MF_01328] One of the primary rRNA binding proteins, this protein initially binds near the 5'-end of the 23S rRNA. It is important during the early stages of 50S assembly. It makes multiple contacts with different domains of the 23S rRNA in the assembled 50S subunit and ribosome.[HAMAP-Rule:MF_01328] [[http://www.uniprot.org/uniprot/A0A0E9AP91_MYCTX A0A0E9AP91_MYCTX]] One of the primary rRNA binding proteins, it binds specifically to the 5'-end of 16S ribosomal RNA.[HAMAP-Rule:MF_01345] [[http://www.uniprot.org/uniprot/A0A045I821_MYCTX A0A045I821_MYCTX]] Located on the platform of the 30S subunit, it bridges several disparate RNA helices of the 16S rRNA. Forms part of the Shine-Dalgarno cleft in the 70S ribosome.[HAMAP-Rule:MF_01310] [[http://www.uniprot.org/uniprot/A0A045KJ85_MYCTX A0A045KJ85_MYCTX]] Binds directly to 23S ribosomal RNA and is necessary for the in vitro assembly process of the 50S ribosomal subunit. It is not involved in the protein synthesizing functions of that subunit.[HAMAP-Rule:MF_00382][RuleBase:RU000560] [[http://www.uniprot.org/uniprot/A0A045JF49_MYCTX A0A045JF49_MYCTX]] Forms an intersubunit bridge (bridge B4) with the 23S rRNA of the 50S subunit in the ribosome.[HAMAP-Rule:MF_01343] One of the primary rRNA binding proteins, it binds directly to 16S rRNA where it helps nucleate assembly of the platform of the 30S subunit by binding and bridging several RNA helices of the 16S rRNA.[HAMAP-Rule:MF_01343][RuleBase:RU004524] [[http://www.uniprot.org/uniprot/A0A045JJU1_MYCTX A0A045JJU1_MYCTX]] This protein binds to the 23S rRNA, and is important in its secondary structure. It is located near the subunit interface in the base of the L7/L12 stalk, and near the tRNA binding site of the peptidyltransferase center.[HAMAP-Rule:MF_01365][RuleBase:RU003870] [[http://www.uniprot.org/uniprot/A0A1N6MHB1_MYCTX A0A1N6MHB1_MYCTX]] This protein binds to 23S rRNA in the presence of protein L20.[RuleBase:RU000562][SAAS:SAAS00352917] [[http://www.uniprot.org/uniprot/A0A045HLX7_MYCTX A0A045HLX7_MYCTX]] Binds the 23S rRNA.[HAMAP-Rule:MF_00501][SAAS:SAAS00804277] [[http://www.uniprot.org/uniprot/A0A045IXT2_MYCTX A0A045IXT2_MYCTX]] Protein S19 forms a complex with S13 that binds strongly to the 16S ribosomal RNA.[HAMAP-Rule:MF_00531] [[http://www.uniprot.org/uniprot/A0A045IWX2_MYCTX A0A045IWX2_MYCTX]] One of the primary rRNA binding proteins, it binds directly to 16S rRNA central domain where it helps coordinate assembly of the platform of the 30S subunit.[HAMAP-Rule:MF_01302] [[http://www.uniprot.org/uniprot/A0A045JKV0_MYCTX A0A045JKV0_MYCTX]] Located at the back of the 30S subunit body where it stabilizes the conformation of the head with respect to the body.[HAMAP-Rule:MF_01307][SAAS:SAAS00382364] With S4 and S12 plays an important role in translational accuracy.[HAMAP-Rule:MF_01307][SAAS:SAAS00382324] [[http://www.uniprot.org/uniprot/A0A045H5T7_MYCTX A0A045H5T7_MYCTX]] One of the primary rRNA binding proteins. Required for association of the 30S and 50S subunits to form the 70S ribosome, for tRNA binding and peptide bond formation. It has been suggested to have peptidyltransferase activity; this is somewhat controversial. Makes several contacts with the 16S rRNA in the 70S ribosome.[HAMAP-Rule:MF_01320] [[http://www.uniprot.org/uniprot/A0A045GXQ2_MYCTX A0A045GXQ2_MYCTX]] Binds directly to 16S ribosomal RNA.[HAMAP-Rule:MF_00500] [[http://www.uniprot.org/uniprot/A0A045HTN2_MYCTX A0A045HTN2_MYCTX]] Involved in the binding of tRNA to the ribosomes.[HAMAP-Rule:MF_00508] [[http://www.uniprot.org/uniprot/A0A045HUU0_MYCTX A0A045HUU0_MYCTX]] This is 1 of the proteins that binds and probably mediates the attachment of the 5S RNA into the large ribosomal subunit, where it forms part of the central protuberance. In the 70S ribosome it contacts protein S13 of the 30S subunit (bridge B1b), connecting the 2 subunits; this bridge is implicated in subunit movement. Contacts the P site tRNA; the 5S rRNA and some of its associated proteins might help stabilize positioning of ribosome-bound tRNAs.[HAMAP-Rule:MF_01333] [[http://www.uniprot.org/uniprot/A0A0T9D5H2_MYCTX A0A0T9D5H2_MYCTX]] This protein is one of the early assembly proteins of the 50S ribosomal subunit, although it is not seen to bind rRNA by itself. It is important during the early stages of 50S assembly.[HAMAP-Rule:MF_01366][RuleBase:RU003878][SAAS:SAAS00725369] [[http://www.uniprot.org/uniprot/A0A045JMN7_MYCTX A0A045JMN7_MYCTX]] One of the primary rRNA binding proteins, it binds directly to 16S rRNA where it nucleates assembly of the head domain of the 30S subunit. Is located at the subunit interface close to the decoding center, probably blocks exit of the E-site tRNA.[HAMAP-Rule:MF_00480] [[http://www.uniprot.org/uniprot/A0A045H4H6_MYCTX A0A045H4H6_MYCTX]] Binds the lower part of the 30S subunit head. Binds mRNA in the 70S ribosome, positioning it for translation.[HAMAP-Rule:MF_01309] [[http://www.uniprot.org/uniprot/A0A045HUG3_MYCTX A0A045HUG3_MYCTX]] Binds 16S rRNA, required for the assembly of 30S particles and may also be responsible for determining the conformation of the 16S rRNA at the A site.[HAMAP-Rule:MF_01364][SAAS:SAAS00344925] [[http://www.uniprot.org/uniprot/A0A045JVY9_MYCTX A0A045JVY9_MYCTX]] Binds together with S18 to 16S ribosomal RNA.[HAMAP-Rule:MF_00360][SAAS:SAAS00348112] [[http://www.uniprot.org/uniprot/M9TET4_MYCTX M9TET4_MYCTX]] Interacts with and stabilizes bases of the 16S rRNA that are involved in tRNA selection in the A site and with the mRNA backbone. Located at the interface of the 30S and 50S subunits, it traverses the body of the 30S subunit contacting proteins on the other side and probably holding the rRNA structure together. The combined cluster of proteins S8, S12 and S17 appears to hold together the shoulder and platform of the 30S subunit.[HAMAP-Rule:MF_00403][RuleBase:RU003623] With S4 and S5 plays an important role in translational accuracy.[HAMAP-Rule:MF_00403][RuleBase:RU003623]

</div>

</div>

<div class="pdbe-citations 5v93" style="background-color:#fffaf0;"></div>

<div class="pdbe-citations 5v93" style="background-color:#fffaf0;"></div>

== References ==

== References ==

<references/>

<references/>

__TOC__

__TOC__

[[Category: Mycobacterium tuberculosis]]

[[Category: Mycobacterium tuberculosis]]

[[Category: Streptomyces puniceus]]

[[Category: Streptomyces puniceus]]