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7CCX

Crystal structure of the holo form of human hydroxymethylbilane synthase

Functional Information from GO Data
ChainGOidnamespacecontents
A0004418molecular_functionhydroxymethylbilane synthase activity
A0005515molecular_functionprotein binding
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0006779biological_processporphyrin-containing compound biosynthetic process
A0006782biological_processprotoporphyrinogen IX biosynthetic process
A0006783biological_processheme biosynthetic process
A0006784biological_processheme A biosynthetic process
A0006785biological_processheme B biosynthetic process
A0016740molecular_functiontransferase activity
A0018160biological_processpeptidyl-pyrromethane cofactor linkage
A0033014biological_processtetrapyrrole biosynthetic process
A0048034biological_processheme O biosynthetic process
C0004418molecular_functionhydroxymethylbilane synthase activity
C0005515molecular_functionprotein binding
C0005737cellular_componentcytoplasm
C0005829cellular_componentcytosol
C0006779biological_processporphyrin-containing compound biosynthetic process
C0006782biological_processprotoporphyrinogen IX biosynthetic process
C0006783biological_processheme biosynthetic process
C0006784biological_processheme A biosynthetic process
C0006785biological_processheme B biosynthetic process
C0016740molecular_functiontransferase activity
C0018160biological_processpeptidyl-pyrromethane cofactor linkage
C0033014biological_processtetrapyrrole biosynthetic process
C0048034biological_processheme O biosynthetic process
Functional Information from PDB Data
site_idAC1
Number of Residues19
Detailsbinding site for residue DPM A 401
ChainResidue
ASER96
AALA189
AARG195
AGLN217
AGLY218
ACYS261
AHOH511
AHOH525
AHOH534
AHOH561
AHOH575
ALYS98
AASP99
ASER146
ASER147
AARG149
AARG150
AARG173
ALEU188

site_idAC2
Number of Residues20
Detailsbinding site for Di-peptide DPM C 401 and CYS C 261
ChainResidue
CSER96
CLYS98
CASP99
CSER146
CSER147
CARG149
CARG150
CARG173
CLEU188
CALA189
CALA214
CGLN217
CGLY218
CGLY260
CSER262
CVAL263
CHOH501
CHOH507
CHOH517
CHOH534

Functional Information from PROSITE/UniProt
site_idPS00533
Number of Residues17
DetailsPORPHOBILINOGEN_DEAM Porphobilinogen deaminase cofactor-binding site. ERaFlrhLeGGCsVPVA
ChainResidueDetails
AGLU250-ALA266

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsModified residue: {"description":"S-(dipyrrolylmethanemethyl)cysteine","evidences":[{"source":"PubMed","id":"18936296","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

239803

PDB entries from 2025-08-06

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