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1L6Y

Crystal Structure of Porphobilinogen Synthase Complexed with the Inhibitor 4-Oxosebacic Acid

Functional Information from GO Data
ChainGOidnamespacecontents
A0000287molecular_functionmagnesium ion binding
A0003824molecular_functioncatalytic activity
A0004655molecular_functionporphobilinogen synthase activity
A0005829cellular_componentcytosol
A0006779biological_processporphyrin-containing compound biosynthetic process
A0006782biological_processprotoporphyrinogen IX biosynthetic process
A0006783biological_processheme biosynthetic process
A0008270molecular_functionzinc ion binding
A0016829molecular_functionlyase activity
A0033014biological_processtetrapyrrole biosynthetic process
A0046872molecular_functionmetal ion binding
B0000287molecular_functionmagnesium ion binding
B0003824molecular_functioncatalytic activity
B0004655molecular_functionporphobilinogen synthase activity
B0005829cellular_componentcytosol
B0006779biological_processporphyrin-containing compound biosynthetic process
B0006782biological_processprotoporphyrinogen IX biosynthetic process
B0006783biological_processheme biosynthetic process
B0008270molecular_functionzinc ion binding
B0016829molecular_functionlyase activity
B0033014biological_processtetrapyrrole biosynthetic process
B0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN A 400
ChainResidue
ACYS119
ACYS121
ACYS129
AHOH685

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG A 401
ChainResidue
AHOH483
AGLU231
AHOH403
AHOH422
AHOH433
AHOH439

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN B 400
ChainResidue
BCYS119
BCYS121
BCYS129
BHOH686

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG B 401
ChainResidue
BGLU231
BHOH412
BHOH421
BHOH427
BHOH430
BHOH448

site_idAC5
Number of Residues11
DetailsBINDING SITE FOR RESIDUE 4OX A 350
ChainResidue
ALYS194
ATYR200
APHE203
AARG204
AARG215
AGLN219
ALYS246
AVAL271
ASER272
ATYR311
AHOH463

site_idAC6
Number of Residues13
DetailsBINDING SITE FOR RESIDUE 4OX B 350
ChainResidue
BLYS194
BPHE203
BARG204
BARG215
BGLN219
BLYS246
BTYR269
BVAL271
BSER272
BTYR311
BHOH429
BHOH511
BHOH686

site_idAC7
Number of Residues4
DetailsBINDING SITE FOR RESIDUE GOL A 901
ChainResidue
ATHR87
ASER89
ATRP92
AHOH831

site_idAC8
Number of Residues1
DetailsBINDING SITE FOR RESIDUE GOL A 902
ChainResidue
AGLU144

site_idAC9
Number of Residues4
DetailsBINDING SITE FOR RESIDUE GOL B 903
ChainResidue
BLEU27
BALA70
BGLY71
BARG323

site_idBC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE GOL A 904
ChainResidue
ASER13
BLYS106
BPRO110
BILE113
BASP159

site_idBC2
Number of Residues2
DetailsBINDING SITE FOR RESIDUE GOL A 905
ChainResidue
AHOH583
AHOH832

Functional Information from PROSITE/UniProt
site_idPS00169
Number of Residues13
DetailsD_ALA_DEHYDRATASE Delta-aminolevulinic acid dehydratase active site. GaDcLMVKPAgaY
ChainResidueDetails
AGLY239-TYR251

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsACT_SITE: Schiff-base intermediate with substrate
ChainResidueDetails
APHE195
APRO247
BPHE195
BPRO247

site_idSWS_FT_FI2
Number of Residues8
DetailsBINDING: BINDING => ECO:0000269|PubMed:11444968, ECO:0000269|PubMed:11909869
ChainResidueDetails
APHE120
AGLU122
AGLY130
ASER232
BPHE120
BGLU122
BGLY130
BSER232

site_idSWS_FT_FI3
Number of Residues8
DetailsBINDING:
ChainResidueDetails
AGLU205
ALYS216
AGLY273
APHE312
BGLU205
BLYS216
BGLY273
BPHE312

Catalytic Information from CSA
site_idCSA1
Number of Residues4
DetailsAnnotated By Reference To The Literature 1h7o
ChainResidueDetails
ASER164
AASP117
ALYS246
ALYS194

site_idCSA2
Number of Residues4
DetailsAnnotated By Reference To The Literature 1h7o
ChainResidueDetails
BSER164
BASP117
BLYS246
BLYS194

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PDB entries from 2025-06-18

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