6s13

<StructureSection load='6s13' size='340' side='right'caption='[[6s13]], [[Resolution|resolution]] 3.58&Aring;' scene=''>

[[http://www.uniprot.org/uniprot/A0A077UU26_STAAU A0A077UU26_STAAU]] 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/W8U3X2_STAAU W8U3X2_STAAU]] 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/A0A077UKF9_STAAU A0A077UKF9_STAAU]] 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/W8TUB4_STAAU W8TUB4_STAAU]] 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/D7URR3_STAAU D7URR3_STAAU]] This protein binds to 23S rRNA in the presence of protein L20.[HAMAP-Rule:MF_01363][RuleBase:RU000562] [[http://www.uniprot.org/uniprot/A0A077UGW7_STAAU A0A077UGW7_STAAU]] 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/A0A0H2K0A0_STAAU A0A0H2K0A0_STAAU]] Involved in the binding of tRNA to the ribosomes.[HAMAP-Rule:MF_00508] [[http://www.uniprot.org/uniprot/A0A133Q8Z9_STAAU A0A133Q8Z9_STAAU]] 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/A0A077UVB6_STAAU A0A077UVB6_STAAU]] 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/A0A133PYC3_STAAU A0A133PYC3_STAAU]] Protein S19 forms a complex with S13 that binds strongly to the 16S ribosomal RNA.[HAMAP-Rule:MF_00531] [[http://www.uniprot.org/uniprot/A0A077UGA7_STAAU A0A077UGA7_STAAU]] Binds to the 23S rRNA.[HAMAP-Rule:MF_01341][SAAS:SAAS00687840] [[http://www.uniprot.org/uniprot/W8TUC9_STAAU W8TUC9_STAAU]] 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/A0A077V4G0_STAAU A0A077V4G0_STAAU]] 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/A0A077UZF4_STAAU A0A077UZF4_STAAU]] 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/A0A133PZQ5_STAAU A0A133PZQ5_STAAU]] 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/W8TRE0_STAAU W8TRE0_STAAU]] 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/W8TUC3_STAAU W8TUC3_STAAU]] 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/W8UXC3_STAAU W8UXC3_STAAU]] Binds directly to 16S ribosomal RNA.[HAMAP-Rule:MF_00500] [[http://www.uniprot.org/uniprot/W8TPC6_STAAU W8TPC6_STAAU]] Binds together with S18 to 16S ribosomal RNA.[HAMAP-Rule:MF_00360][SAAS:SAAS00348112] [[http://www.uniprot.org/uniprot/B3VKN3_STAAU B3VKN3_STAAU]] 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/A0A077UUA0_STAAU A0A077UUA0_STAAU]] 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/A0A077UKD6_STAAU A0A077UKD6_STAAU]] 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/A0A077VLD5_STAAU A0A077VLD5_STAAU]] 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/A0A077VMP6_STAAU A0A077VMP6_STAAU]] 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/W8USK0_STAAU W8USK0_STAAU]] Required for dimerization of active 70S ribosomes into 100S ribosomes in stationary phase; 100S ribosomes are translationally inactive and sometimes present during exponential growth.[HAMAP-Rule:MF_00839] [[http://www.uniprot.org/uniprot/W8U8T8_STAAU W8U8T8_STAAU]] 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/W8TUE6_STAAU W8TUE6_STAAU]] 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/W8U3W0_STAAU W8U3W0_STAAU]] 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/W8TVK2_STAAU W8TVK2_STAAU]] 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/W8U6H8_STAAU W8U6H8_STAAU]] 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/A0A077VHU6_STAAU A0A077VHU6_STAAU]] 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/W8U8U6_STAAU W8U8U6_STAAU]] 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/W8TRD5_STAAU W8TRD5_STAAU]] 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/W8TRC7_STAAU W8TRC7_STAAU]] 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]

</StructureSection>