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4KLR

E343Q variant of human ferrochelatase

Functional Information from GO Data
ChainGOidnamespacecontents
A0004325molecular_functionferrochelatase activity
A0006783biological_processheme biosynthetic process
B0004325molecular_functionferrochelatase activity
B0006783biological_processheme biosynthetic process
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE IMD A 501
ChainResidue
ASER264
ASER303
ATRP310
AHEM507
AHOH618

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE BCT A 502
ChainResidue
AMET76
ALEU98
ATYR165
AHEM507

site_idAC3
Number of Residues11
DetailsBINDING SITE FOR RESIDUE GOL A 503
ChainResidue
APRO277
AGLN278
ASER281
ATRP301
AHOH723
AHOH724
BPRO277
BSER281
BTRP301
BHOH673
BHOH733

site_idAC4
Number of Residues11
DetailsBINDING SITE FOR RESIDUE CHD A 504
ChainResidue
ATHR100
ALEU101
AARG114
AARG115
APRO266
ASER268
AVAL305
AGLY306
AMET308
ACHD505
AHOH758

site_idAC5
Number of Residues2
DetailsBINDING SITE FOR RESIDUE CHD A 505
ChainResidue
AARG114
ACHD504

site_idAC6
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CL A 506
ChainResidue
ALYS220
ATRP221
ALEU394
AGLN422
AHOH756

site_idAC7
Number of Residues19
DetailsBINDING SITE FOR RESIDUE HEM A 507
ChainResidue
AMET76
ALEU92
APHE93
AARG115
ATYR123
ASER197
ATHR198
AHIS263
APRO266
AVAL305
AALA336
APHE337
AHIS341
AILE342
AIMD501
ABCT502
AHOH618
AHOH619
AHOH675

site_idAC8
Number of Residues6
DetailsBINDING SITE FOR RESIDUE FES A 508
ChainResidue
ACYS196
AARG272
ACYS403
ACYS406
ACYS411
AHOH707

site_idAC9
Number of Residues6
DetailsBINDING SITE FOR RESIDUE IMD B 501
ChainResidue
BHIS263
BGLN302
BSER303
BTRP310
BHEM506
BHOH665

site_idBC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE BCT B 502
ChainResidue
BMET76
BLEU98
BTYR165
BHEM506

site_idBC2
Number of Residues9
DetailsBINDING SITE FOR RESIDUE CHD B 503
ChainResidue
BTHR100
BARG115
BPRO266
BSER268
BLYS304
BVAL305
BGLY306
BMET308
BCHD504

site_idBC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CHD B 504
ChainResidue
ALYS106
APHE110
BLEU101
BCHD503

site_idBC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CHD B 505
ChainResidue
BGLU393
BHOH620
BHOH703
BHOH718
BHOH751

site_idBC5
Number of Residues17
DetailsBINDING SITE FOR RESIDUE HEM B 506
ChainResidue
BPRO266
BALA336
BHIS341
BILE342
BIMD501
BBCT502
BHOH656
BHOH665
BHOH680
BMET76
BPHE93
BLEU98
BARG115
BTYR123
BSER197
BTHR198
BHIS263

site_idBC6
Number of Residues4
DetailsBINDING SITE FOR RESIDUE FES B 507
ChainResidue
BCYS196
BCYS403
BCYS406
BCYS411

Functional Information from PROSITE/UniProt
site_idPS00534
Number of Residues19
DetailsFERROCHELATASE Ferrochelatase signature. ILfSaHSLPmsvv.NrGDp...Y
ChainResidueDetails
AILE258-TYR276

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsActive site: {"evidences":[{"source":"PubMed","id":"11175906","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues6
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"17261801","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"2HRE","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"11175906","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"17261801","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1HRK","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2HRC","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues6
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"11175906","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1HRK","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsModified residue: {"description":"N6-succinyllysine","evidences":[{"source":"UniProtKB","id":"P22315","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues2
DetailsModified residue: {"description":"N6-succinyllysine; alternate","evidences":[{"source":"UniProtKB","id":"P22315","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues9
DetailsM-CSA 578
ChainResidueDetails
AMET76
ALEU92
ALEU98
AARG164
ATYR165
AHIS263metal ligand, proton acceptor
AASP340
AGLN343metal ligand, proton acceptor
AGLU347

site_idMCSA2
Number of Residues9
DetailsM-CSA 578
ChainResidueDetails
BMET76
BLEU92
BLEU98
BARG164
BTYR165
BHIS263metal ligand, proton acceptor
BASP340
BGLN343metal ligand, proton acceptor
BGLU347

250059

PDB entries from 2026-03-04

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