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Protein Domain : IPR010199

Name  Sulphite reductase [NADPH]flavoprotein, alpha chain Short Name  CysJ
Type  Family Description  Escherichia coli NADPH-sulphite reductase (SiR) is a multimeric hemoflavoprotein composed of eight alpha-subunits (SiR-FP) and four beta-subunits (SiR-HP) that catalyses the six electron reduction of sulphite to sulphide. This is one of several activities required for the biosynthesis of L-cysteine from sulphate. The alpha component of NADPH-sulphite reductase is a flavoprotein, the beta component is a hemoprotein []. The flavoprotein component catalyses the electron flow from NADPH to FAD to FMN to the hemoprotein component.This entry describes an NADPH-dependent sulphite reductase flavoprotein subunit alpha. It binds one FAD and one FMN as prostheticgroups and contains an NADPH-binding domain [].

Publication Counts Displayer

0 Child Features

3 Contains

DB identifier Name Short Name Type
IPR003097 FAD-binding, type 1 FAD-binding_1 Domain
IPR001709 Flavoprotein pyridine nucleotide cytochrome reductase Flavoprot_Pyr_Nucl_cyt_Rdtase Domain
IPR001433 Oxidoreductase FAD/NAD(P)-binding OxRdtase_FAD/NAD-bd Domain

3 Cross References

Identifier
Source . Name

Subject . Primary Identifier
PIRSF000207 PIRSF IPR010199
TIGR01931 TIGRFAMs IPR010199
MF_01541 HAMAP IPR010199

2 Data Sets

Name URL
InterPro data set  
InterPro GO Annotation data set  

0 Found In

6 GO Annotation


Subject . Secondary Identifier

Subject . Name

Subject . Symbol

Ontology Term . Identifier

Ontology Term . Name
Sulphite reductase [NADPH]flavoprotein, alpha chain   GO:0004783 sulfite reductase (NADPH) activity
Sulphite reductase [NADPH]flavoprotein, alpha chain   GO:0010181 FMN binding
Sulphite reductase [NADPH]flavoprotein, alpha chain   GO:0050660 flavin adenine dinucleotide binding
Sulphite reductase [NADPH]flavoprotein, alpha chain   GO:0000103 sulfate assimilation
Sulphite reductase [NADPH]flavoprotein, alpha chain   GO:0019344 cysteine biosynthetic process
Sulphite reductase [NADPH]flavoprotein, alpha chain   GO:0055114 oxidation-reduction process

6 Ontology Annotations


Subject . Secondary Identifier

Subject . Name

Subject . Symbol

Ontology Term . Identifier

Ontology Term . Name
Sulphite reductase [NADPH]flavoprotein, alpha chain   GO:0004783 sulfite reductase (NADPH) activity
Sulphite reductase [NADPH]flavoprotein, alpha chain   GO:0010181 FMN binding
Sulphite reductase [NADPH]flavoprotein, alpha chain   GO:0050660 flavin adenine dinucleotide binding
Sulphite reductase [NADPH]flavoprotein, alpha chain   GO:0000103 sulfate assimilation
Sulphite reductase [NADPH]flavoprotein, alpha chain   GO:0019344 cysteine biosynthetic process
Sulphite reductase [NADPH]flavoprotein, alpha chain   GO:0055114 oxidation-reduction process

1 Parent Features

DB identifier Name Short Name Type
IPR001094 Flavodoxin Flavdoxin Family

0 Proteins