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1K7W

Crystal Structure of S283A Duck Delta 2 Crystallin Mutant

Functional Information from GO Data
ChainGOidnamespacecontents
A0003824molecular_functioncatalytic activity
A0004056molecular_functionargininosuccinate lyase activity
A0005212molecular_functionstructural constituent of eye lens
A0005829cellular_componentcytosol
A0006526biological_processL-arginine biosynthetic process
A0008652biological_processamino acid biosynthetic process
A0016829molecular_functionlyase activity
A0042450biological_processL-arginine biosynthetic process via ornithine
A0170033biological_processL-amino acid metabolic process
B0003824molecular_functioncatalytic activity
B0004056molecular_functionargininosuccinate lyase activity
B0005212molecular_functionstructural constituent of eye lens
B0005829cellular_componentcytosol
B0006526biological_processL-arginine biosynthetic process
B0008652biological_processamino acid biosynthetic process
B0016829molecular_functionlyase activity
B0042450biological_processL-arginine biosynthetic process via ornithine
B0170033biological_processL-amino acid metabolic process
C0003824molecular_functioncatalytic activity
C0004056molecular_functionargininosuccinate lyase activity
C0005212molecular_functionstructural constituent of eye lens
C0005829cellular_componentcytosol
C0006526biological_processL-arginine biosynthetic process
C0008652biological_processamino acid biosynthetic process
C0016829molecular_functionlyase activity
C0042450biological_processL-arginine biosynthetic process via ornithine
C0170033biological_processL-amino acid metabolic process
D0003824molecular_functioncatalytic activity
D0004056molecular_functionargininosuccinate lyase activity
D0005212molecular_functionstructural constituent of eye lens
D0005829cellular_componentcytosol
D0006526biological_processL-arginine biosynthetic process
D0008652biological_processamino acid biosynthetic process
D0016829molecular_functionlyase activity
D0042450biological_processL-arginine biosynthetic process via ornithine
D0170033biological_processL-amino acid metabolic process
Functional Information from PDB Data
site_idAC1
Number of Residues15
DetailsBINDING SITE FOR RESIDUE AS1 C 1001
ChainResidue
ATHR161
CGLN328
CLYS331
CHOH1023
CHOH1070
CHOH1086
CHOH1123
AHIS162
BTHR281
BASN291
BHOH1131
CSER29
CARG115
CASN116
CTYR323

site_idAC2
Number of Residues13
DetailsBINDING SITE FOR RESIDUE AS1 D 1002
ChainResidue
BTHR161
BHIS162
DSER29
DARG115
DASN116
DTYR323
DGLN328
DLYS331
DHOH1024
DHOH1037
DHOH1151
DHOH1152
DHOH1153

site_idAC3
Number of Residues15
DetailsBINDING SITE FOR RESIDUE AS1 B 1003
ChainResidue
BSER29
BARG115
BASN116
BTYR323
BGLN328
BLYS331
BHOH1007
BHOH1059
BHOH1077
BHOH1092
CTHR281
CASN291
CHOH1187
DTHR161
DHIS162

site_idAC4
Number of Residues16
DetailsBINDING SITE FOR RESIDUE AS1 A 1004
ChainResidue
ASER29
AARG115
AASN116
ATYR323
AGLN328
ALYS331
AHOH1044
AHOH1060
AHOH1140
AHOH1165
AHOH1210
AHOH1211
CTHR161
CHIS162
DTHR281
DASN291

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"PubMed","id":"11698398","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsActive site: {"description":"Proton donor","evidences":[{"source":"PubMed","id":"11698398","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues8
DetailsBinding site: {"description":"in chain A","evidences":[{"source":"PubMed","id":"11698398","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1K7W","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsBinding site: {"description":"in chain C","evidences":[{"source":"PubMed","id":"10029536","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"11698398","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1DCN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1K7W","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues4
DetailsBinding site: {"description":"in chain B","evidences":[{"source":"PubMed","id":"10029536","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"11698398","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1DCN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1K7W","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues8
DetailsBinding site: {"description":"in chain A","evidences":[{"source":"PubMed","id":"10029536","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"11698398","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1DCN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1K7W","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues4
DetailsBinding site: {"description":"in chain A","evidences":[{"source":"PubMed","id":"10029536","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1DCN","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues4
DetailsSite: {"description":"Increases basicity of active site His","evidences":[{"source":"PubMed","id":"11698398","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues5
DetailsAnnotated By Reference To The Literature 1auw
ChainResidueDetails
ATHR161
AHIS162
BGLU296
BALA283
BLYS289

site_idCSA2
Number of Residues5
DetailsAnnotated By Reference To The Literature 1auw
ChainResidueDetails
AGLU296
AALA283
ALYS289
BTHR161
BHIS162

site_idCSA3
Number of Residues5
DetailsAnnotated By Reference To The Literature 1auw
ChainResidueDetails
CTHR161
CHIS162
DGLU296
DALA283
DLYS289

site_idCSA4
Number of Residues5
DetailsAnnotated By Reference To The Literature 1auw
ChainResidueDetails
CGLU296
CALA283
CLYS289
DTHR161
DHIS162

site_idMCSA1
Number of Residues4
DetailsM-CSA 408
ChainResidueDetails
AHIS162proton shuttle (general acid/base)
AALA283proton shuttle (general acid/base)
ALYS289electrostatic stabiliser
AGLU296activator, proton shuttle (general acid/base)

site_idMCSA2
Number of Residues4
DetailsM-CSA 408
ChainResidueDetails
BHIS162proton shuttle (general acid/base)
BALA283proton shuttle (general acid/base)
BLYS289electrostatic stabiliser
BGLU296activator, proton shuttle (general acid/base)

site_idMCSA3
Number of Residues4
DetailsM-CSA 408
ChainResidueDetails
CHIS162proton shuttle (general acid/base)
CALA283proton shuttle (general acid/base)
CLYS289electrostatic stabiliser
CGLU296activator, proton shuttle (general acid/base)

site_idMCSA4
Number of Residues4
DetailsM-CSA 408
ChainResidueDetails
DHIS162proton shuttle (general acid/base)
DALA283proton shuttle (general acid/base)
DLYS289electrostatic stabiliser
DGLU296activator, proton shuttle (general acid/base)

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PDB entries from 2025-12-03

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