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1kf2

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Revision as of 02:20, 10 September 2015

Atomic Resolution Structure of RNase A at pH 5.2

Structural highlights

1kf2 is a 1 chain structure with sequence from Bos taurus. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Ligands:
Related:	1kf3, 1kf4, 1kf5, 1kf7, 1kf8
Activity:	Pancreatic ribonuclease, with EC number 3.1.27.5
Resources:	FirstGlance, OCA, PDBe, RCSB, PDBsum

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 diffraction pattern of protein crystals extending to atomic resolution guarantees a very accurate picture of the molecular structure and enables the study of subtle phenomena related to protein functionality. Six structures of bovine pancreatic ribonuclease at the pH* values 5.2, 5.9, 6.3, 7.1, 8.0 and 8.8 and at resolution limits in the range 1.05-1.15A have been refined. An overall description of the six structures and several aspects, mainly regarding pH-triggered conformational changes, are described here. Since subtle variations were expected, a thorough validation assessment of the six refined models was first carried out. Some stereochemical parameters, such as the N[bond]C(alpha)[bond]C angle and the pyramidalization at the carbonyl C atoms, indicate that the standard target values and their weights typically used in refinement may need revision. A detailed comparison of the six structures has provided experimental evidence on the role of Lys41 in catalysis. Furthermore, insights are given into the structural effects related to the pH-dependent binding of a sulfate anion, which mimics the phosphate group of RNA, in the active site. Finally, the results support a number of thermodynamic and kinetic experimental data concerning the role of the disulfide bridge between Cys65 and Cys72 in the folding of RNase A.

Atomic resolution structures of ribonuclease A at six pH values.,Berisio R, Sica F, Lamzin VS, Wilson KS, Zagari A, Mazzarella L Acta Crystallogr D Biol Crystallogr. 2002 Mar;58(Pt 3):441-50. Epub 2002, Feb 21. PMID:11856829^[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
↑ Berisio R, Sica F, Lamzin VS, Wilson KS, Zagari A, Mazzarella L. Atomic resolution structures of ribonuclease A at six pH values. Acta Crystallogr D Biol Crystallogr. 2002 Mar;58(Pt 3):441-50. Epub 2002, Feb 21. PMID:11856829

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/1kf2"

@@ Line 6: / Line 6: @@
 <tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1kf3|1kf3]], [[1kf4|1kf4]], [[1kf5|1kf5]], [[1kf7|1kf7]], [[1kf8|1kf8]]</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='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=1kf2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1kf2 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1kf2 RCSB], [http://www.ebi.ac.uk/pdbsum/1kf2 PDBsum]</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=1kf2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1kf2 OCA], [http://pdbe.org/1kf2 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=1kf2 RCSB], [http://www.ebi.ac.uk/pdbsum/1kf2 PDBsum]</span></td></tr>
 </table>
 == Function ==
@@ Line 28: / Line 28: @@
 From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
 </div>
+<div class="pdbe-citations 1kf2" style="background-color:#fffaf0;"></div>
 ==See Also==

1kf2

From Proteopedia

Revision as of 02:20, 10 September 2015

Atomic Resolution Structure of RNase A at pH 5.2

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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