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1XR3

Actinorhodin Polyketide Ketoreductase with NADP and the Inhibitor Isoniazid bound

Functional Information from GO Data
ChainGOidnamespacecontents
A0008202biological_processsteroid metabolic process
A0016491molecular_functionoxidoreductase activity
A0017000biological_processantibiotic biosynthetic process
A0032787biological_processmonocarboxylic acid metabolic process
B0008202biological_processsteroid metabolic process
B0016491molecular_functionoxidoreductase activity
B0017000biological_processantibiotic biosynthetic process
B0032787biological_processmonocarboxylic acid metabolic process
Functional Information from PDB Data
site_idAC1
Number of Residues26
DetailsBINDING SITE FOR RESIDUE NAP A 262
ChainResidue
AGLY13
AASP63
AVAL64
AASN90
AALA91
AGLY92
AILE142
AALA143
ASER144
ATYR157
ALYS161
ATHR15
APRO187
AGLY188
AVAL190
ATHR192
APRO193
AMET194
BARG51
ASER16
AGLY17
AILE18
AALA37
AARG38
AGLY39
ACYS62

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE ISZ A 263
ChainResidue
ASER144
ATHR145
AGLY146
AGLN149
AVAL151

site_idAC3
Number of Residues25
DetailsBINDING SITE FOR RESIDUE NAP B 301
ChainResidue
BGLY13
BTHR15
BSER16
BGLY17
BILE18
BALA37
BARG38
BGLY39
BCYS62
BASP63
BVAL64
BASN90
BALA91
BILE142
BALA143
BSER144
BTYR157
BLYS161
BPRO187
BGLY188
BVAL190
BTHR192
BPRO193
BMET194
BISZ302

site_idAC4
Number of Residues8
DetailsBINDING SITE FOR RESIDUE ISZ B 302
ChainResidue
BSER144
BTHR145
BGLY146
BVAL151
BTYR157
BGLY188
BMET194
BNAP301

Functional Information from PROSITE/UniProt
site_idPS00061
Number of Residues29
DetailsADH_SHORT Short-chain dehydrogenases/reductases family signature. StggkqgvvhAapYSASKHGVvGFTkALG
ChainResidueDetails
ASER144-GLY172

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"PROSITE-ProRule","id":"PRU10001","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues22
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"15458634","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"15544323","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1W4Z","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1X7G","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1X7H","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1XR3","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"15458634","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"15544323","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1X7G","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1X7H","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1XR3","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues4
DetailsAnnotated By Reference To The Literature 1ybv
ChainResidueDetails
AASN114
ALYS161
ASER144
ATYR157

site_idCSA2
Number of Residues4
DetailsAnnotated By Reference To The Literature 1ybv
ChainResidueDetails
BASN114
BLYS161
BSER144
BTYR157

site_idCSA3
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ybv
ChainResidueDetails
AALA154
ALYS161

site_idCSA4
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ybv
ChainResidueDetails
BALA154
BLYS161

site_idCSA5
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ybv
ChainResidueDetails
ALYS161
ATYR157

site_idCSA6
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ybv
ChainResidueDetails
BLYS161
BTYR157

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PDB entries from 2025-11-05

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