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1ton

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Revision as of 06:59, 29 November 2017

RAT SUBMAXILLARY GLAND SERINE PROTEASE, TONIN. STRUCTURE SOLUTION AND REFINEMENT AT 1.8 ANGSTROMS RESOLUTION

Structural highlights

1ton is a 1 chain structure with sequence from Black rat. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Ligands:
Resources:	FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

[KLK2_RAT] This protein has both trypsin- and chymotrypsin-like activities, being able to release angiotensin II from angiotensin I or angiotensinogen.

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

Tonin is a mammalian serine protease that is capable of generating the vasoconstrictive agent, angiotensin II, directly from its precursor protein, angiotensinogen, a process that normally requires two enzymes, renin and angiotensin-converting enzyme. The X-ray crystallographic structure determination and refinement of tonin at 1.8 A resolution and the analysis of the resulting model are reported. The initial phases were obtained by the method of molecular replacement using as the search model the structure of bovine trypsin. The refined model of tonin consists of 227 amino acid residues out of the 235 in the complete molecule, 149 water molecules, and one zinc ion. The R-factor (R = sigma Fo - Fc/sigma Fo) is 0.196 for the 14,997 measured data between 8 and 1.8 A resolution with I greater than or equal to sigma (I). It is estimated that the overall root-mean-square error in the coordinates is about 0.3 A. The structure of tonin that has been determined is not in its active conformation, but one that has been perturbed by the binding of Zn2+ in the active site. Zn2+ was included in the buffer to aid the crystallization. Nevertheless, the structure of tonin that is described is for the most part similar to its native form as indicated by the close tertiary structural homology with kallikrein. The differences in the structures of the two enzymes are concentrated in several loop regions; these structural differences are probably responsible for the differences in their reactivities and specificities.

Rat submaxillary gland serine protease, tonin. Structure solution and refinement at 1.8 A resolution.,Fujinaga M, James MN J Mol Biol. 1987 May 20;195(2):373-96. PMID:2821276^[1]

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

References

↑ Fujinaga M, James MN. Rat submaxillary gland serine protease, tonin. Structure solution and refinement at 1.8 A resolution. J Mol Biol. 1987 May 20;195(2):373-96. PMID:2821276

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

Proteopedia Page Contributors and Editors (what is this?)

OCA

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

Categories: Black rat | Fujinaga, M | James, M N.G

@@ Line 1: / Line 1: @@
 ==RAT SUBMAXILLARY GLAND SERINE PROTEASE, TONIN. STRUCTURE SOLUTION AND REFINEMENT AT 1.8 ANGSTROMS RESOLUTION==
 <StructureSection load='1ton' size='340' side='right' caption='[[1ton]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
@@ Line 4: / Line 5: @@
 <table><tr><td colspan='2'>[[1ton]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Black_rat Black rat]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1TON OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1TON FirstGlance]. <br>
 </td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></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=1ton FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1ton OCA], [http://pdbe.org/1ton PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=1ton RCSB], [http://www.ebi.ac.uk/pdbsum/1ton 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=1ton FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1ton OCA], [http://pdbe.org/1ton PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=1ton RCSB], [http://www.ebi.ac.uk/pdbsum/1ton PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=1ton ProSAT]</span></td></tr>
 </table>
 == Function ==

1ton

From Proteopedia

Revision as of 06:59, 29 November 2017

RAT SUBMAXILLARY GLAND SERINE PROTEASE, TONIN. STRUCTURE SOLUTION AND REFINEMENT AT 1.8 ANGSTROMS RESOLUTION

Structural highlights

Function

Evolutionary Conservation

Publication Abstract from PubMed

References

Contents

Proteopedia Page Contributors and Editors (what is this?)

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