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2B7S

R381K mutant of flavocytochrome c3

Functional Information from GO Data
ChainGOidnamespacecontents
A0009055molecular_functionelectron transfer activity
A0009061biological_processanaerobic respiration
A0010181molecular_functionFMN binding
A0016491molecular_functionoxidoreductase activity
A0016627molecular_functionoxidoreductase activity, acting on the CH-CH group of donors
A0019645biological_processanaerobic electron transport chain
A0030288cellular_componentouter membrane-bounded periplasmic space
A0042597cellular_componentperiplasmic space
A0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE NA A 1810
ChainResidue
ATHR506
AMET507
AGLY508
AGLU534
ATHR536
AHOH1819

site_idAC2
Number of Residues13
DetailsBINDING SITE FOR RESIDUE HEM A 801
ChainResidue
ACYS17
AHIS18
ALEU24
ASER73
AALA74
AHIS75
AHOH1924
AHOH2018
AHOH2100
AHOH2417
AHIS8
AVAL9
ACYS14

site_idAC3
Number of Residues14
DetailsBINDING SITE FOR RESIDUE HEM A 802
ChainResidue
ALEU4
APHE7
AHIS8
AGLN12
ASER16
AGLN35
ACYS36
ACYS39
AHIS40
AHIS72
ATYR94
AHEM803
AHOH2165
AHOH2568

site_idAC4
Number of Residues22
DetailsBINDING SITE FOR RESIDUE HEM A 803
ChainResidue
AHIS40
ALEU43
AVAL46
AHIS52
AALA57
AHIS58
AVAL66
AALA67
ACYS68
ACYS71
AHIS72
APHE90
AASN91
AMET92
AHEM802
AHEM804
AHOH1885
AHOH1942
AHOH2192
AHOH2195
AHOH2222
AHOH2397

site_idAC5
Number of Residues25
DetailsBINDING SITE FOR RESIDUE HEM A 804
ChainResidue
AHIS54
ATYR55
AASN56
ASER60
AHIS61
APHE62
ACYS82
ASER84
ACYS85
AHIS86
APHE88
ALEU167
AGLN338
AVAL374
ALYS431
ALYS434
ATYR435
AHEM803
AHOH1826
AHOH1870
AHOH1932
AHOH1944
AHOH2029
AHOH2116
AHOH2398

site_idAC6
Number of Residues44
DetailsBINDING SITE FOR RESIDUE FAD A 1805
ChainResidue
AGLY278
AALA312
ATHR313
AGLY314
ATHR336
AASN337
AGLN338
AASP344
AMET375
AHIS504
AHIS505
AGLY533
AGLU534
AARG544
AGLY547
AASN548
AALA549
AILE550
AILE553
AFUM1806
AHOH1813
AHOH1835
AHOH1842
AHOH1845
AHOH1852
AVAL132
AGLY133
AGLY135
AGLY136
AALA137
AGLU156
ALYS157
AGLU158
AGLY162
AGLY163
AASN164
AALA165
ALEU167
AALA168
AALA169
AGLY170
AGLY171
ATHR276
AARG277

site_idAC7
Number of Residues11
DetailsBINDING SITE FOR RESIDUE FUM A 1806
ChainResidue
AGLY170
AMET236
AHIS365
ATHR377
AGLU378
AARG402
AHIS504
AARG544
AGLY546
AGLY547
AFAD1805

Functional Information from PROSITE/UniProt
site_idPS00028
Number of Residues23
DetailsZINC_FINGER_C2H2_1 Zinc finger C2H2 type domain signature. Cvs..ChgtLaevaettkHehynaH
ChainResidueDetails
ACYS36-HIS58

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"Proton donor","evidences":[{"source":"PubMed","id":"10978153","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues6
DetailsBinding site: {"description":"axial binding residue","evidences":[{"source":"PubMed","id":"10978153","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1E39","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues7
DetailsBinding site: {"description":"covalent","evidences":[{"source":"PubMed","id":"10978153","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1E39","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues8
DetailsBinding site: {"description":"covalent","evidences":[{"source":"UniProtKB","id":"P83223","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues17
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"10978153","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1E39","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues8
DetailsBinding site: {"description":"axial binding residue","evidences":[{"source":"UniProtKB","id":"P83223","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues23
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"P83223","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues24
DetailsSignal: {"evidences":[{"source":"PubMed","id":"1333793","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues1
DetailsActive site: {"description":"Proton donor","evidences":[{"source":"UniProtKB","id":"P0C278","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues4
DetailsAnnotated By Reference To The Literature 1d4c
ChainResidueDetails
AHIS504
AARG544
AHIS365
AARG402

238895

PDB entries from 2025-07-16

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