2ZKI | pdb_00002zki

Crystal structure of hypothetical Trp repressor binding protein from Sul folobus tokodaii (ST0872)

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
H	d2zkih_	Alpha and beta proteins (a/b)	Flavodoxin-like	Flavoproteins	automated matches	automated matches	(Sulfurisphaera tokodaii ) [TaxId: 111955 ],	SCOPe (2.08)
G	d2zkig_	Alpha and beta proteins (a/b)	Flavodoxin-like	Flavoproteins	automated matches	automated matches	(Sulfurisphaera tokodaii ) [TaxId: 111955 ],	SCOPe (2.08)
F	d2zkif_	Alpha and beta proteins (a/b)	Flavodoxin-like	Flavoproteins	automated matches	automated matches	(Sulfurisphaera tokodaii ) [TaxId: 111955 ],	SCOPe (2.08)
E	d2zkie_	Alpha and beta proteins (a/b)	Flavodoxin-like	Flavoproteins	automated matches	automated matches	(Sulfurisphaera tokodaii ) [TaxId: 111955 ],	SCOPe (2.08)
D	d2zkid_	Alpha and beta proteins (a/b)	Flavodoxin-like	Flavoproteins	automated matches	automated matches	(Sulfurisphaera tokodaii ) [TaxId: 111955 ],	SCOPe (2.08)
C	d2zkic_	Alpha and beta proteins (a/b)	Flavodoxin-like	Flavoproteins	automated matches	automated matches	(Sulfurisphaera tokodaii ) [TaxId: 111955 ],	SCOPe (2.08)
B	d2zkib_	Alpha and beta proteins (a/b)	Flavodoxin-like	Flavoproteins	automated matches	automated matches	(Sulfurisphaera tokodaii ) [TaxId: 111955 ],	SCOPe (2.08)
A	d2zkia_	Alpha and beta proteins (a/b)	Flavodoxin-like	Flavoproteins	automated matches	automated matches	(Sulfurisphaera tokodaii ) [TaxId: 111955 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
H	SCOP2B Superfamily	Flavoproteins	8088824	3001217	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	Flavoproteins	8088824	3001217	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	Flavoproteins	8088824	3001217	SCOP2B (2022-06-29)
E	SCOP2 Family	WrbA-like	8088823	4003377	SCOP2 (2022-06-29)
E	SCOP2 Superfamily	Flavoproteins	8088824	3001217	SCOP2 (2022-06-29)
D	SCOP2B Superfamily	Flavoproteins	8088824	3001217	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Flavoproteins	8088824	3001217	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Flavoproteins	8088824	3001217	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Flavoproteins	8088824	3001217	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
H	Redoxin	e2zkiH1	A: alpha bundles	X: HTH	H: Nudix	T: Nudix	F: Redoxin	ECOD (develop294)
G	Redoxin	e2zkiG1	A: alpha bundles	X: HTH	H: Nudix	T: Nudix	F: Redoxin	ECOD (develop294)
F	Redoxin	e2zkiF1	A: alpha bundles	X: HTH	H: Nudix	T: Nudix	F: Redoxin	ECOD (develop294)
E	Redoxin	e2zkiE1	A: alpha bundles	X: HTH	H: Nudix	T: Nudix	F: Redoxin	ECOD (develop294)
D	Redoxin	e2zkiD1	A: alpha bundles	X: HTH	H: Nudix	T: Nudix	F: Redoxin	ECOD (develop294)
C	Redoxin	e2zkiC1	A: alpha bundles	X: HTH	H: Nudix	T: Nudix	F: Redoxin	ECOD (develop294)
B	Redoxin	e2zkiB1	A: alpha bundles	X: HTH	H: Nudix	T: Nudix	F: Redoxin	ECOD (develop294)
A	Redoxin	e2zkiA1	A: alpha bundles	X: HTH	H: Nudix	T: Nudix	F: Redoxin	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
H	3.40.50.360	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Flavodoxin domain	CATH (4.3.0)
G	3.40.50.360	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Flavodoxin domain	CATH (4.3.0)
F	3.40.50.360	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Flavodoxin domain	CATH (4.3.0)
E	3.40.50.360	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Flavodoxin domain	CATH (4.3.0)
D	3.40.50.360	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Flavodoxin domain	CATH (4.3.0)
C	3.40.50.360	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Flavodoxin domain	CATH (4.3.0)
B	3.40.50.360	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Flavodoxin domain	CATH (4.3.0)
A	3.40.50.360	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Flavodoxin domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E A, B, C, D, E, F, G, H	PF03358	NADPH-dependent FMN reductase (FMN_red)	NADPH-dependent FMN reductase		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E A, B, C, D, E, F, G, H	199aa long hypothetical Trp repressor binding protein	FMN binding binding nucleoside phosphate binding ion binding anion binding nucleotide binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding oxidoreductase activity NAD(P)H dehydrogenase (quinone) activity oxidoreductase activity, acting on NAD(P)H oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor FMN binding binding nucleoside phosphate binding ion binding anion binding nucleotide binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding oxidoreductase activity NAD(P)H dehydrogenase (quinone) activity oxidoreductase activity, acting on NAD(P)H oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor catalytic activity	-	cellular anatomical structure membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F, G, H	IPR010089	Flavoprotein WrbA-like	Family
A, B, C, D, E A, B, C, D, E, F, G, H	IPR029039	Flavoprotein-like superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F, G, H	IPR005025	NADPH-dependent FMN reductase-like domain	Domain
A, B, C, D, E A, B, C, D, E, F, G, H	IPR008254	Flavodoxin/nitric oxide synthase	Domain

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.