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1MEH

Inosine Monophosphate Dehydrogenase (IMPDH) From Tritrichomonas Foetus with IMP and MOA 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
A0006183biological_processGTP 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 Residues24
DetailsBINDING SITE FOR RESIDUE IMP A 602
ChainResidue
ACSO319
AASP358
AGLY359
AGLY360
AMET379
ALEU380
AGLY381
AARG382
ATYR405
AGLY407
AGLU408
AGLY409
AGLU431
AMOA600
AHOH910
AHOH934
AHOH942
AHOH951
AHOH963
AHOH967
AALA57
AGLY316
ASER317
AILE318

site_idAC3
Number of Residues13
DetailsBINDING SITE FOR RESIDUE MOA A 600
ChainResidue
AASP261
ASER262
ASER263
AASN291
AGLY312
AILE313
AGLY314
AGLU408
AGLY409
AARG414
AGLU431
AIMP602
AHOH921

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
DetailsActive site: {"description":"Thioimidate intermediate","evidences":[{"source":"HAMAP-Rule","id":"MF_03156","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"12235158","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"12549902","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues6
DetailsBinding site: {"description":"in other chain","evidences":[{"source":"PubMed","id":"12549902","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues13
DetailsBinding site: {}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"12549902","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

239803

PDB entries from 2025-08-06

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