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1QCW

Flavocytochrome B2, ARG289LYS mutant

Functional Information from GO Data
ChainGOidnamespacecontents
A0010181molecular_functionFMN binding
A0016491molecular_functionoxidoreductase activity
B0010181molecular_functionFMN binding
B0016491molecular_functionoxidoreductase activity
Functional Information from PDB Data
site_idAC1
Number of Residues22
DetailsBINDING SITE FOR RESIDUE FNS A 570
ChainResidue
ATYR143
ATHR280
ALYS349
ASER371
AHIS373
AGLY374
AARG376
AASP409
AGLY410
AGLY411
AARG413
ATYR144
AGLY432
AARG433
ALEU436
ASER195
AALA196
ATHR197
AALA198
ASER228
AGLN252
ATYR254

site_idAC2
Number of Residues22
DetailsBINDING SITE FOR RESIDUE FNS B 571
ChainResidue
BTYR143
BTYR144
BSER195
BALA196
BTHR197
BALA198
BSER228
BGLN252
BTYR254
BTHR280
BLYS349
BSER371
BHIS373
BGLY374
BARG376
BASP409
BGLY410
BGLY411
BARG413
BGLY432
BARG433
BLEU436

Functional Information from PROSITE/UniProt
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 2026-02-25

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