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1Y4H

Wild type staphopain-staphostatin complex

Functional Information from GO Data
ChainGOidnamespacecontents
A0006508biological_processproteolysis
A0008234molecular_functioncysteine-type peptidase activity
B0006508biological_processproteolysis
B0008234molecular_functioncysteine-type peptidase activity
C0004866molecular_functionendopeptidase inhibitor activity
C0004869molecular_functioncysteine-type endopeptidase inhibitor activity
C0005737cellular_componentcytoplasm
D0004866molecular_functionendopeptidase inhibitor activity
D0004869molecular_functioncysteine-type endopeptidase inhibitor activity
D0005737cellular_componentcytoplasm
Functional Information from PDB Data
site_idAC1
Number of Residues1
DetailsBINDING SITE FOR RESIDUE CL C 450
ChainResidue
CHIS50

site_idAC2
Number of Residues1
DetailsBINDING SITE FOR RESIDUE CL D 451
ChainResidue
DHIS50

site_idAC3
Number of Residues2
DetailsBINDING SITE FOR RESIDUE CL C 452
ChainResidue
CHIS18
CHOH480

site_idAC4
Number of Residues1
DetailsBINDING SITE FOR RESIDUE CL A 453
ChainResidue
AHIS337

site_idAC5
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 B 460
ChainResidue
BLYS232
BARG234
BASP259

site_idAC6
Number of Residues2
DetailsBINDING SITE FOR RESIDUE SO4 A 461
ChainResidue
AARG234
ALYS232

site_idAC7
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 C 462
ChainResidue
CTHR22
CASN25
CHOH473

site_idAC8
Number of Residues2
DetailsBINDING SITE FOR RESIDUE SO4 A 463
ChainResidue
ALYS256
AARG298

site_idAC9
Number of Residues1
DetailsBINDING SITE FOR RESIDUE SO4 C 464
ChainResidue
CARG101

Functional Information from PROSITE/UniProt
site_idPS00639
Number of Residues11
DetailsTHIOL_PROTEASE_HIS Eukaryotic thiol (cysteine) proteases histidine active site. LGHALAVVGNA
ChainResidueDetails
ALEU338-ALA348

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues6
DetailsACT_SITE: ACT_SITE => ECO:0000269|PubMed:15644332
ChainResidueDetails
ACYS243
AHIS340
AASN360
BCYS243
BHIS340
BASN360

Catalytic Information from CSA
site_idCSA1
Number of Residues4
DetailsAnnotated By Reference To The Literature 1pxv
ChainResidueDetails
AHIS340
ACYS243
AGLN237
AASN360

site_idCSA2
Number of Residues4
DetailsAnnotated By Reference To The Literature 1pxv
ChainResidueDetails
BHIS340
BCYS243
BGLN237
BASN360

site_idMCSA1
Number of Residues4
DetailsM-CSA 805
ChainResidueDetails
AGLN237electrostatic stabiliser
ACYS243nucleofuge, nucleophile, proton acceptor, proton donor
AHIS340proton acceptor, proton donor
AASN360electrostatic stabiliser, modifies pKa

site_idMCSA2
Number of Residues4
DetailsM-CSA 805
ChainResidueDetails
BGLN237electrostatic stabiliser
BCYS243nucleofuge, nucleophile, proton acceptor, proton donor
BHIS340proton acceptor, proton donor
BASN360electrostatic stabiliser, modifies pKa

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PDB entries from 2025-02-05

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