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1L6S

Crystal Structure of Porphobilinogen Synthase Complexed with the Inhibitor 4,7-Dioxosebacic 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 Residues14
DetailsBINDING SITE FOR RESIDUE DSB A 350
ChainResidue
ASER164
ALYS194
APHE199
ATYR200
APHE203
AARG204
AARG215
AGLN219
ALYS246
ATYR269
AVAL271
ASER272
ATYR311
AHOH463

site_idAC6
Number of Residues16
DetailsBINDING SITE FOR RESIDUE DSB B 350
ChainResidue
BSER164
BTYR191
BLYS194
BPHE199
BTYR200
BPHE203
BARG204
BARG215
BGLN219
BLYS246
BTYR269
BVAL271
BSER272
BTYR311
BHOH511
BHOH686

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
DetailsActive site: {"description":"Schiff-base intermediate with substrate"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues8
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"11444968","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"11909869","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues8
DetailsBinding site: {}
ChainResidueDetails

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

238895

PDB entries from 2025-07-16

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