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1SZF

A198G:L230A mutant flavocytochrome b2 with pyruvate bound

Functional Information from GO Data
ChainGOidnamespacecontents
A0016491molecular_functionoxidoreductase activity
A0020037molecular_functionheme binding
B0016491molecular_functionoxidoreductase activity
B0020037molecular_functionheme binding
Functional Information from PDB Data
site_idAC1
Number of Residues22
DetailsBINDING SITE FOR RESIDUE FMN A 5570
ChainResidue
ATYR144
ALYS349
ASER371
AHIS373
AGLY374
AARG376
AASP409
AGLY410
AGLY411
AARG413
AGLY432
ASER195
AARG433
APYR5580
AHOH5581
AALA196
ATHR197
AGLY198
ASER228
AGLN252
ATYR254
ATHR280

site_idAC2
Number of Residues25
DetailsBINDING SITE FOR RESIDUE FMN B 9570
ChainResidue
BTYR143
BTYR144
BSER195
BALA196
BTHR197
BGLY198
BSER228
BGLN252
BTYR254
BTHR280
BLYS349
BSER371
BHIS373
BGLY374
BARG376
BASP409
BGLY410
BGLY411
BARG413
BLEU431
BGLY432
BARG433
BPYR9580
BHOH9584
BHOH9613

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE PYR A 5580
ChainResidue
ATYR143
ATYR254
AHIS373
AARG376
AFMN5570

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE PYR B 9580
ChainResidue
BTYR143
BTYR254
BHIS373
BARG376
BFMN9570
BHOH9611

Functional Information from PROSITE/UniProt
site_idPS00191
Number of Residues8
DetailsCYTOCHROME_B5_1 Cytochrome b5 family, heme-binding domain signature. FLPNHPGG
ChainResidueDetails
APHE39-GLY46

site_idPS00557
Number of Residues7
DetailsFMN_HYDROXY_ACID_DH_1 FMN-dependent alpha-hydroxy acid dehydrogenases active site. SNHGGRQ
ChainResidueDetails
ASER371-GLN377

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"PubMed","id":"17563122","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"11914072","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1KBI","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues32
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"11914072","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"2329585","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1FCB","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1KBI","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues5
DetailsAnnotated By Reference To The Literature 1fcb
ChainResidueDetails
ATYR254
ATYR143
AARG376
AASP282
AHIS373

site_idCSA2
Number of Residues5
DetailsAnnotated By Reference To The Literature 1fcb
ChainResidueDetails
BTYR254
BTYR143
BARG376
BASP282
BHIS373

site_idCSA3
Number of Residues4
DetailsAnnotated By Reference To The Literature 1fcb
ChainResidueDetails
ATYR254
AARG376
AHIS373
AASP282

site_idCSA4
Number of Residues4
DetailsAnnotated By Reference To The Literature 1fcb
ChainResidueDetails
BTYR254
BARG376
BHIS373
BASP282

site_idMCSA1
Number of Residues3
DetailsM-CSA 102
ChainResidueDetails
ATYR254electrostatic stabiliser, hydrogen bond donor
AASP282electrostatic stabiliser, hydrogen bond acceptor
AHIS373hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor

site_idMCSA2
Number of Residues3
DetailsM-CSA 102
ChainResidueDetails
BTYR254electrostatic stabiliser, hydrogen bond donor
BASP282electrostatic stabiliser, hydrogen bond acceptor
BHIS373hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor

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PDB entries from 2025-12-31

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