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1MEW

Inosine Monophosphate Dehydrogenase (IMPDH) From Tritrichomonas Foetus with XMP and NAD bound

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0003824molecular_functioncatalytic activity
A0003938molecular_functionIMP dehydrogenase activity
A0005737cellular_componentcytoplasm
A0006164biological_processpurine nucleotide biosynthetic process
A0006177biological_processGMP biosynthetic process
A0016491molecular_functionoxidoreductase activity
A0032991cellular_componentprotein-containing complex
A0042802molecular_functionidentical protein binding
A0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE K A 900
ChainResidue
AGLY20
ASER22
AASP264
APHE266
AASN460

site_idAC2
Number of Residues22
DetailsBINDING SITE FOR RESIDUE XMP A 602
ChainResidue
AGLY360
AMET379
ALEU380
AGLY381
AARG382
ATYR405
AGLY407
AGLU408
AGLY409
AGLU431
AGLY432
ANAD987
AHOH998
AHOH1031
AHOH1032
AHOH1042
AHOH1062
AHOH1116
AALA57
AGLY316
ASER317
AASP358

site_idAC3
Number of Residues18
DetailsBINDING SITE FOR RESIDUE NAD A 987
ChainResidue
ATHR240
AARG241
AASP261
ASER262
ASER263
ATRP269
AGLY312
AILE313
AGLY314
AGLU408
AGLY409
AGLU431
AXMP602
AHOH1040
AHOH1042
AHOH1111
AHOH1138
AHOH1140

Functional Information from PROSITE/UniProt
site_idPS00487
Number of Residues13
DetailsIMP_DH_GMP_RED IMP dehydrogenase / GMP reductase signature. IKIGIGgGSICiT
ChainResidueDetails
AILE309-THR321

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsACT_SITE: Thioimidate intermediate => ECO:0000255|HAMAP-Rule:MF_03156, ECO:0000269|PubMed:12235158, ECO:0000269|PubMed:12549902
ChainResidueDetails
ACYS319

site_idSWS_FT_FI2
Number of Residues1
DetailsACT_SITE: Proton acceptor => ECO:0000255|HAMAP-Rule:MF_03156
ChainResidueDetails
AARG418

site_idSWS_FT_FI3
Number of Residues6
DetailsBINDING: in other chain => ECO:0000269|PubMed:12549902
ChainResidueDetails
AGLY20
ASER22
AGLY314
AGLY316
ACYS319
AASN460

site_idSWS_FT_FI4
Number of Residues7
DetailsBINDING:
ChainResidueDetails
AASP261
AGLY312
ASER317
AASP358
AGLY381
ATYR405
AGLU431

site_idSWS_FT_FI5
Number of Residues5
DetailsBINDING: BINDING => ECO:0000269|PubMed:12549902
ChainResidueDetails
AASP264
APHE266
AGLU485
AGLY486
AGLY487

223166

PDB entries from 2024-07-31

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