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1GXW

the 2.2 A resolution structure of thermolysin crystallized in presence of potassium thiocyanate

Functional Information from GO Data
ChainGOidnamespacecontents
A0004222molecular_functionmetalloendopeptidase activity
A0006508biological_processproteolysis
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 1317
ChainResidue
AASP138
AGLU177
AASP185
AGLU187
AGLU190
AHOH2100

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 1318
ChainResidue
AGLU190
AHOH2108
AHOH2109
AGLU177
AASN183
AASP185

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 1319
ChainResidue
AASP57
AASP59
AGLN61
AHOH2014
AHOH2041
AHOH2052

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 1320
ChainResidue
ATYR193
ATHR194
AILE197
AASP200
AHOH2107
AHOH2112

site_idAC5
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN A 1321
ChainResidue
AHIS142
AHIS146
AGLU166
ASCN1322

site_idAC6
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SCN A 1322
ChainResidue
ATYR157
AGLU166
AHIS231
AZN1321
AHOH2169

site_idAC7
Number of Residues10
DetailsBinding site for Di-peptide VAL A 322 and LYS A 323
ChainResidue
AASN111
AASN112
AALA113
APHE130
AGLU143
ALEU202
AARG203
AHIS231
AHOH2169
AHOH2170

Functional Information from PROSITE/UniProt
site_idPS00142
Number of Residues10
DetailsZINC_PROTEASE Neutral zinc metallopeptidases, zinc-binding region signature. VVAHELTHAV
ChainResidueDetails
AVAL139-VAL148

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues3
DetailsBINDING:
ChainResidueDetails
AVAL289
ASER291
ATHR293

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1tlp
ChainResidueDetails
AHIS231
AGLU143

site_idMCSA1
Number of Residues7
DetailsM-CSA 176
ChainResidueDetails
AHIS142metal ligand
AGLU143electrostatic stabiliser, metal ligand
AHIS146metal ligand
ATYR157electrostatic stabiliser, hydrogen bond donor, steric role
AGLU166metal ligand
AASP226activator, electrostatic stabiliser, hydrogen bond acceptor
AHIS231hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor

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PDB entries from 2025-06-18

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