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1a5q

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Revision as of 10:36, 19 May 2021

P93A VARIANT OF BOVINE PANCREATIC RIBONUCLEASE A

Structural highlights

1a5q is a 1 chain structure with sequence from Bovin. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Ligands:
Activity:	Pancreatic ribonuclease, with EC number 3.1.27.5
Resources:	FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

[RNAS1_BOVIN] Endonuclease that catalyzes the cleavage of RNA on the 3' side of pyrimidine nucleotides. Acts on single stranded and double stranded RNA.^[1]

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

Publication Abstract from PubMed

The Tyr92-Pro93 peptide group of bovine pancreatic ribonuclease A (RNase A) exists in the cis conformation in the native state. From unfolding/refolding kinetic studies of the disulfide-intact wild-type protein and of a variant in which Pro93 had been replaced by Ala, it had been suggested that the Tyr92-Ala93 peptide group also exists in the cis conformation in the native state. Here, we report the crystal structure of the P93A variant. Although there is disorder in the region of residues 92 and 93, the best structural model contains a cis peptide at this position, lending support to the results of the kinetics experiments. We also report the crystal structure of the C[40, 95]A variant, which is an analog of the major rate-determining three-disulfide intermediate in the oxidative folding of RNase A, missing the 40-95 disulfide bond. As had been detected by NMR spectroscopy, the crystal structure of this analog shows disorder in the region surrounding the missing disulfide. However, the global chain fold of the remainder of the protein, including the disulfide bond between Cys65 and Cys72, appears to be unaffected by the mutation.

Crystal structures of two mutants that have implications for the folding of bovine pancreatic ribonuclease A.,Pearson MA, Karplus PA, Dodge RW, Laity JH, Scheraga HA Protein Sci. 1998 May;7(5):1255-8. PMID:9605332^[2]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

References

↑ delCardayre SB, Ribo M, Yokel EM, Quirk DJ, Rutter WJ, Raines RT. Engineering ribonuclease A: production, purification and characterization of wild-type enzyme and mutants at Gln11. Protein Eng. 1995 Mar;8(3):261-73. PMID:7479688
↑ Pearson MA, Karplus PA, Dodge RW, Laity JH, Scheraga HA. Crystal structures of two mutants that have implications for the folding of bovine pancreatic ribonuclease A. Protein Sci. 1998 May;7(5):1255-8. PMID:9605332 doi:10.1002/pro.5560070522

1 Structural highlights
2 Function
3 Evolutionary Conservation
4 Publication Abstract from PubMed
5 See Also
6 References

Proteopedia Page Contributors and Editors (what is this?)

OCA

Retrieved from "http://52.214.119.220/wiki/index.php/1a5q"

@@ Line 3: / Line 3: @@
 <StructureSection load='1a5q' size='340' side='right'caption='[[1a5q]], [[Resolution|resolution]] 2.30&Aring;' scene=''>
 == Structural highlights ==
-<table><tr><td colspan='2'>[[1a5q]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Bovin Bovin]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1A5Q OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1A5Q FirstGlance]. <br>
+<table><tr><td colspan='2'>[[1a5q]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Bovin Bovin]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1A5Q OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1A5Q FirstGlance]. <br>
-</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
+</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
-<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Pancreatic_ribonuclease Pancreatic ribonuclease], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.1.27.5 3.1.27.5] </span></td></tr>
+<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[https://en.wikipedia.org/wiki/Pancreatic_ribonuclease Pancreatic ribonuclease], with EC number [https://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.1.27.5 3.1.27.5] </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=1a5q FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1a5q OCA], [http://pdbe.org/1a5q PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=1a5q RCSB], [http://www.ebi.ac.uk/pdbsum/1a5q PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=1a5q ProSAT]</span></td></tr>
+<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1a5q FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1a5q OCA], [https://pdbe.org/1a5q PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1a5q RCSB], [https://www.ebi.ac.uk/pdbsum/1a5q PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1a5q ProSAT]</span></td></tr>
 </table>
 == Function ==
-[[http://www.uniprot.org/uniprot/RNAS1_BOVIN RNAS1_BOVIN]] Endonuclease that catalyzes the cleavage of RNA on the 3' side of pyrimidine nucleotides. Acts on single stranded and double stranded RNA.<ref>PMID:7479688</ref>
+[[https://www.uniprot.org/uniprot/RNAS1_BOVIN RNAS1_BOVIN]] Endonuclease that catalyzes the cleavage of RNA on the 3' side of pyrimidine nucleotides. Acts on single stranded and double stranded RNA.<ref>PMID:7479688</ref>
 == Evolutionary Conservation ==
 [[Image:Consurf_key_small.gif|200px|right]]
@@ Line 31: / Line 31: @@
 ==See Also==
-*[[Ribonuclease|Ribonuclease]]
+*[[Ribonuclease 3D structures|Ribonuclease 3D structures]]
-*[[Temp|Temp]]
 == References ==
 <references/>

1a5q

From Proteopedia

Revision as of 10:36, 19 May 2021

P93A VARIANT OF BOVINE PANCREATIC RIBONUCLEASE A

Structural highlights

Function

Evolutionary Conservation

Publication Abstract from PubMed

See Also

References

Contents

Proteopedia Page Contributors and Editors (what is this?)

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