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1JR1

Crystal structure of Inosine Monophosphate Dehydrogenase in complex with Mycophenolic Acid

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0003824molecular_functioncatalytic activity
A0003938molecular_functionIMP dehydrogenase activity
A0005634cellular_componentnucleus
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0006164biological_processpurine nucleotide biosynthetic process
A0006177biological_processGMP biosynthetic process
A0006183biological_processGTP biosynthetic process
A0007623biological_processcircadian rhythm
A0016491molecular_functionoxidoreductase activity
A0046651biological_processlymphocyte proliferation
A0046872molecular_functionmetal ion binding
A0071353biological_processcellular response to interleukin-4
A0097294biological_process'de novo' XMP biosynthetic process
B0000166molecular_functionnucleotide binding
B0003824molecular_functioncatalytic activity
B0003938molecular_functionIMP dehydrogenase activity
B0005634cellular_componentnucleus
B0005737cellular_componentcytoplasm
B0005829cellular_componentcytosol
B0006164biological_processpurine nucleotide biosynthetic process
B0006177biological_processGMP biosynthetic process
B0006183biological_processGTP biosynthetic process
B0007623biological_processcircadian rhythm
B0016491molecular_functionoxidoreductase activity
B0046651biological_processlymphocyte proliferation
B0046872molecular_functionmetal ion binding
B0071353biological_processcellular response to interleukin-4
B0097294biological_process'de novo' XMP biosynthetic process
Functional Information from PDB Data
site_idAC1
Number of Residues7
DetailsBINDING SITE FOR RESIDUE K A 601
ChainResidue
AGLY326
ACYS327
AGLY328
ACYS331
AGLU500
AGLY501
AGLY502

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE K B 602
ChainResidue
BCYS331
BGLU500
BGLY501
BGLY502
BGLY326
BGLY328

site_idAC3
Number of Residues22
DetailsBINDING SITE FOR RESIDUE IMP A 1331
ChainResidue
ASER68
AMET70
AARG322
AGLY328
ASER329
ACYS331
AASP364
AGLY366
AMET386
AGLY387
ASER388
ATYR411
AGLY413
AMET414
AGLY415
AGLN441
AGLY442
AHOH617
AHOH653
AHOH664
AHOH738
AMOA1332

site_idAC4
Number of Residues22
DetailsBINDING SITE FOR RESIDUE IMP B 1332
ChainResidue
BSER68
BMET70
BARG322
BGLY328
BSER329
BCYS331
BASP364
BGLY366
BMET385
BGLY387
BSER388
BTYR411
BGLY413
BMET414
BGLY415
BGLN441
BGLY442
BHOH708
BHOH710
BHOH714
BHOH794
BMOA1333

site_idAC5
Number of Residues15
DetailsBINDING SITE FOR RESIDUE MOA A 1332
ChainResidue
AASP274
ASER275
ASER276
AASN303
AGLY324
AMET325
AGLY326
ACYS331
ATHR333
AMET414
AGLY415
AGLN441
AHOH658
AHOH773
AIMP1331

site_idAC6
Number of Residues13
DetailsBINDING SITE FOR RESIDUE MOA B 1333
ChainResidue
BASP274
BSER275
BSER276
BASN303
BGLY324
BMET325
BGLY326
BTHR333
BGLY415
BGLN441
BHOH725
BHOH770
BIMP1332

Functional Information from PROSITE/UniProt
site_idPS00487
Number of Residues13
DetailsIMP_DH_GMP_RED IMP dehydrogenase / GMP reductase signature. LRVGMGcGSICiT
ChainResidueDetails
ALEU321-THR333

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"description":"Thioimidate intermediate"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues14
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_03156","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues6
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"8681386","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1JR1","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsBinding site: {"description":"in other chain","evidences":[{"source":"HAMAP-Rule","id":"MF_03156","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues18
DetailsBinding site: {}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues2
DetailsModified residue: {"description":"Phosphotyrosine","evidences":[{"source":"UniProtKB","id":"P12268","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"P12268","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues2
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"UniProtKB","id":"P12268","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues5
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2)","evidences":[{"source":"UniProtKB","id":"P12268","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

242842

PDB entries from 2025-10-08

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