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[[Image:1vsb.gif|left|200px]]
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{{STRUCTURE_1vsb|  PDB=1vsb  |  SCENE=  }}
'''SUBTILISIN CARLSBERG L-PARA-CHLOROPHENYL-1-ACETAMIDO BORONIC ACID INHIBITOR COMPLEX'''


==SUBTILISIN CARLSBERG L-PARA-CHLOROPHENYL-1-ACETAMIDO BORONIC ACID INHIBITOR COMPLEX==
<StructureSection load='1vsb' size='340' side='right'caption='[[1vsb]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[1vsb]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Bacillus_licheniformis Bacillus licheniformis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1VSB OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1VSB FirstGlance]. <br>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.1&#8491;</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CLB:D-PARA-CHLOROPHENYL-1-ACETAMIDOBORONIC+ACID+ALANINE'>CLB</scene></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=1vsb FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1vsb OCA], [https://pdbe.org/1vsb PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1vsb RCSB], [https://www.ebi.ac.uk/pdbsum/1vsb PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1vsb ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/SUBC_BACLI SUBC_BACLI] Subtilisin is an extracellular alkaline serine protease, it catalyzes the hydrolysis of proteins and peptide amides (Ref.4, PubMed:11109488). Shows high specificity for aromatic and hydrophobic amino acids in the P1 substrate position (PubMed:11109488). May play an important role in the degradation of feather keratin (PubMed:11109488).<ref>PMID:11109488</ref> <ref>PMID:4967581</ref>
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
  <jmolCheckbox>
    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/vs/1vsb_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=1vsb ConSurf].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
In order to probe the structural basis of stereoselectivity in the serine protease family, a series of enantiomeric boronic acids RCH2CH(NHCOCH3)B(OH)2 has been synthesized and kinetically characterized as transition-state analog inhibitors using alpha-chymotrypsin and subtilisin Carlsberg as model systems. When the R-substituent in this series was changed from a p-chlorophenyl to a 1-naphthyl group, alpha-chymotrypsin, but not subtilisin, reversed its usual preference for l-enantiomers and bound more tightly to the D-enantiomer [Martichonok, V., &amp; Jones, J. B. (1996) J. Am. Chem. Soc. 118, 950-958]. The structural factors responsible for the differences in stereoselectivity between the two enzymes have been explored by X-ray crystallographic examination of subtilisin Carlsberg and gamma-chymotrypsin complexes of the L- and D-enantiomers of p-chlorophenyl and 1-naphthyl boronic acid derivatives. In both enzymes, the L-isomers of the inhibitors, which are more closely related to the natural L-amino acid substrates, form tetrahedral adducts, covalently linking the central boron atom and Ogamma of the catalytic serine. The d-isomers, however, differ in the way they interact with subtilisin or gamma-chymotrypsin. With subtilisin, both the D-p-chlorophenyl and D-1-naphthyl inhibitor complexes form covalent Ser Ogamma-to-boron bonds, but with gamma-chymotrypsin, the same inhibitors lead to novel tetrahedral adducts covalently linking both Ser195 Ogamma and His57 Nepsilon2 covalently via the boron atom.


==Overview==
Differences in binding modes of enantiomers of 1-acetamido boronic acid based protease inhibitors: crystal structures of gamma-chymotrypsin and subtilisin Carlsberg complexes.,Stoll VS, Eger BT, Hynes RC, Martichonok V, Jones JB, Pai EF Biochemistry. 1998 Jan 13;37(2):451-62. PMID:9425066<ref>PMID:9425066</ref>
In order to probe the structural basis of stereoselectivity in the serine protease family, a series of enantiomeric boronic acids RCH2CH(NHCOCH3)B(OH)2 has been synthesized and kinetically characterized as transition-state analog inhibitors using alpha-chymotrypsin and subtilisin Carlsberg as model systems. When the R-substituent in this series was changed from a p-chlorophenyl to a 1-naphthyl group, alpha-chymotrypsin, but not subtilisin, reversed its usual preference for l-enantiomers and bound more tightly to the D-enantiomer [Martichonok, V., &amp; Jones, J. B. (1996) J. Am. Chem. Soc. 118, 950-958]. The structural factors responsible for the differences in stereoselectivity between the two enzymes have been explored by X-ray crystallographic examination of subtilisin Carlsberg and gamma-chymotrypsin complexes of the L- and D-enantiomers of p-chlorophenyl and 1-naphthyl boronic acid derivatives. In both enzymes, the L-isomers of the inhibitors, which are more closely related to the natural L-amino acid substrates, form tetrahedral adducts, covalently linking the central boron atom and Ogamma of the catalytic serine. The d-isomers, however, differ in the way they interact with subtilisin or gamma-chymotrypsin. With subtilisin, both the D-p-chlorophenyl and D-1-naphthyl inhibitor complexes form covalent Ser Ogamma-to-boron bonds, but with gamma-chymotrypsin, the same inhibitors lead to novel tetrahedral adducts covalently linking both Ser195 Ogamma and His57 Nepsilon2 covalently via the boron atom.


==About this Structure==
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
1VSB is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Bacillus_licheniformis Bacillus licheniformis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1VSB OCA].
</div>
<div class="pdbe-citations 1vsb" style="background-color:#fffaf0;"></div>


==Reference==
==See Also==
Differences in binding modes of enantiomers of 1-acetamido boronic acid based protease inhibitors: crystal structures of gamma-chymotrypsin and subtilisin Carlsberg complexes., Stoll VS, Eger BT, Hynes RC, Martichonok V, Jones JB, Pai EF, Biochemistry. 1998 Jan 13;37(2):451-62. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/9425066 9425066]
*[[Subtilisin 3D structures|Subtilisin 3D structures]]
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Bacillus licheniformis]]
[[Category: Bacillus licheniformis]]
[[Category: Single protein]]
[[Category: Large Structures]]
[[Category: Subtilisin]]
[[Category: Eger BT]]
[[Category: Eger, B T.]]
[[Category: Hynes RC]]
[[Category: Hynes, R C.]]
[[Category: Jones JB]]
[[Category: Jones, J B.]]
[[Category: Martichonok V]]
[[Category: Martichonok, V.]]
[[Category: Pai EF]]
[[Category: Pai, E F.]]
[[Category: Stoll VS]]
[[Category: Stoll, V S.]]
[[Category: Boronic acid inhibitor]]
[[Category: Hydrolase]]
[[Category: Serine protease]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May  3 12:51:52 2008''

Latest revision as of 09:38, 9 August 2023

SUBTILISIN CARLSBERG L-PARA-CHLOROPHENYL-1-ACETAMIDO BORONIC ACID INHIBITOR COMPLEXSUBTILISIN CARLSBERG L-PARA-CHLOROPHENYL-1-ACETAMIDO BORONIC ACID INHIBITOR COMPLEX

Structural highlights

1vsb is a 1 chain structure with sequence from Bacillus licheniformis. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 2.1Å
Ligands:
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

SUBC_BACLI Subtilisin is an extracellular alkaline serine protease, it catalyzes the hydrolysis of proteins and peptide amides (Ref.4, PubMed:11109488). Shows high specificity for aromatic and hydrophobic amino acids in the P1 substrate position (PubMed:11109488). May play an important role in the degradation of feather keratin (PubMed:11109488).[1] [2]

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

In order to probe the structural basis of stereoselectivity in the serine protease family, a series of enantiomeric boronic acids RCH2CH(NHCOCH3)B(OH)2 has been synthesized and kinetically characterized as transition-state analog inhibitors using alpha-chymotrypsin and subtilisin Carlsberg as model systems. When the R-substituent in this series was changed from a p-chlorophenyl to a 1-naphthyl group, alpha-chymotrypsin, but not subtilisin, reversed its usual preference for l-enantiomers and bound more tightly to the D-enantiomer [Martichonok, V., & Jones, J. B. (1996) J. Am. Chem. Soc. 118, 950-958]. The structural factors responsible for the differences in stereoselectivity between the two enzymes have been explored by X-ray crystallographic examination of subtilisin Carlsberg and gamma-chymotrypsin complexes of the L- and D-enantiomers of p-chlorophenyl and 1-naphthyl boronic acid derivatives. In both enzymes, the L-isomers of the inhibitors, which are more closely related to the natural L-amino acid substrates, form tetrahedral adducts, covalently linking the central boron atom and Ogamma of the catalytic serine. The d-isomers, however, differ in the way they interact with subtilisin or gamma-chymotrypsin. With subtilisin, both the D-p-chlorophenyl and D-1-naphthyl inhibitor complexes form covalent Ser Ogamma-to-boron bonds, but with gamma-chymotrypsin, the same inhibitors lead to novel tetrahedral adducts covalently linking both Ser195 Ogamma and His57 Nepsilon2 covalently via the boron atom.

Differences in binding modes of enantiomers of 1-acetamido boronic acid based protease inhibitors: crystal structures of gamma-chymotrypsin and subtilisin Carlsberg complexes.,Stoll VS, Eger BT, Hynes RC, Martichonok V, Jones JB, Pai EF Biochemistry. 1998 Jan 13;37(2):451-62. PMID:9425066[3]

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

See Also

References

  1. ↑ Evans KL, Crowder J, Miller ES. Subtilisins of Bacillus spp. hydrolyze keratin and allow growth on feathers. Can J Microbiol. 2000 Nov;46(11):1004-11. doi: 10.1139/w00-085. PMID:11109488 doi:http://dx.doi.org/10.1139/w00-085
  2. ↑ Smith EL, DeLange RJ, Evans WH, Landon M, Markland FS. Subtilisin Carlsberg. V. The complete sequence; comparison with subtilisin BPN'; evolutionary relationships. J Biol Chem. 1968 May 10;243(9):2184-91. PMID:4967581
  3. ↑ Stoll VS, Eger BT, Hynes RC, Martichonok V, Jones JB, Pai EF. Differences in binding modes of enantiomers of 1-acetamido boronic acid based protease inhibitors: crystal structures of gamma-chymotrypsin and subtilisin Carlsberg complexes. Biochemistry. 1998 Jan 13;37(2):451-62. PMID:9425066 doi:http://dx.doi.org/10.1021/bi971166o

1vsb, resolution 2.10Å

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