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3EQ1

The Crystal Structure of Human Porphobilinogen Deaminase at 2.8A resolution

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
B0004418molecular_functionhydroxymethylbilane synthase activity
B0005515molecular_functionprotein binding
B0005737cellular_componentcytoplasm
B0005829cellular_componentcytosol
B0006779biological_processporphyrin-containing compound biosynthetic process
B0006782biological_processprotoporphyrinogen IX biosynthetic process
B0006783biological_processheme biosynthetic process
B0006784biological_processheme A biosynthetic process
B0006785biological_processheme B biosynthetic process
B0016740molecular_functiontransferase activity
B0018160biological_processpeptidyl-pyrromethane cofactor linkage
B0033014biological_processtetrapyrrole biosynthetic process
Functional Information from PDB Data
site_idAC1
Number of Residues14
DetailsBINDING SITE FOR RESIDUE DPM A 400
ChainResidue
ASER96
AALA189
AARG195
AALA214
AGLY218
ACYS261
ALYS98
AASP99
ASER146
ASER147
AARG149
AARG150
AARG173
ALEU188

site_idAC2
Number of Residues13
DetailsBINDING SITE FOR RESIDUE DPM B 401
ChainResidue
BSER96
BLYS98
BASP99
BSER146
BSER147
BARG149
BARG150
BARG173
BLEU188
BALA189
BARG195
BGLY218
BCYS261

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 A 362
ChainResidue
AARG26
ASER28
ALEU30
AALA31
AASN169

site_idAC4
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 A 363
ChainResidue
AHIS120
APRO208
AHIS268

site_idAC5
Number of Residues2
DetailsBINDING SITE FOR RESIDUE SO4 A 364
ChainResidue
APRO119
AARG246

site_idAC6
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 B 362
ChainResidue
BARG26
BSER28
BASN169

site_idAC7
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 B 363
ChainResidue
BHIS120
BHIS207
BPRO208
BHIS268

site_idAC8
Number of Residues2
DetailsBINDING SITE FOR RESIDUE SO4 B 364
ChainResidue
BPRO119
BARG246

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

246704

PDB entries from 2025-12-24

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