Annotations: 1E2W

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1e2wa1	All beta proteins	Common fold of diphtheria toxin/transcription factors/cytochrome f	Cytochrome f, large domain	Cytochrome f, large domain	Cytochrome f, large domain	(Chlamydomonas reinhardtii ) [TaxId: 3055 ],	SCOPe (2.08)
A	d1e2wa2	All beta proteins	Barrel-sandwich hybrid	Rudiment single hybrid motif	Cytochrome f, small domain	Cytochrome f, small domain	(Chlamydomonas reinhardtii ) [TaxId: 3055 ],	SCOPe (2.08)
B	d1e2wb1	All beta proteins	Common fold of diphtheria toxin/transcription factors/cytochrome f	Cytochrome f, large domain	Cytochrome f, large domain	Cytochrome f, large domain	(Chlamydomonas reinhardtii ) [TaxId: 3055 ],	SCOPe (2.08)
B	d1e2wb2	All beta proteins	Barrel-sandwich hybrid	Rudiment single hybrid motif	Cytochrome f, small domain	Cytochrome f, small domain	(Chlamydomonas reinhardtii ) [TaxId: 3055 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	cytochrome f, large domain	8027867	4002080	SCOP2 (2022-06-29)
A	SCOP2 Family	Cytochrome f, small domain	8030732	4002935	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	cytochrome f, large domain	8040246	3000800	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Rudiment single hybrid motif	8043111	3001910	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	cytochrome f, large domain	8040246	3000800	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Rudiment single hybrid motif	8043111	3001910	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	cytochrome f, large domain	8040246	3000800	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)
A	Apocytochr_F_N	e1e2wA1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Common fold of diphtheria toxin/transcription factors/cytochrome f	F: Apocytochr_F_N	ECOD (v294.1)
A	Apocytochr_F_C	e1e2wA2	A: few secondary structure elements	X: alpha/beta-Hammerhead/Barrel-sandwich hybrid	H: alpha/beta-Hammerhead/Barrel-sandwich hybrid	T: Single hybrid motif	F: Apocytochr_F_C	ECOD (v294.1)
B	Alpha-L-AF_C	e1e2wB1	A: a/b three-layered sandwiches	X: Phage tail fiber protein trimerization domain	H: beta-Prism I	T: beta-Prism I	F: Alpha-L-AF_C	ECOD (v294.1)
B	Ribosomal_L27	e1e2wB2	A: a/b three-layered sandwiches	X: ETN0001 domain-like	H: ETN0001 domain-like	T: Mss4-like	F: Ribosomal_L27	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.40.830	Mainly Beta	Sandwich	Immunoglobulin-like	Cytochrome f large domain	CATH (4.3.0)
A	2.40.50.100	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)	RNA polymerase II/Efflux pump adaptor protein, barrel-sandwich hybrid domain	CATH (4.3.0)
B	2.60.40.830	Mainly Beta	Sandwich	Immunoglobulin-like	Cytochrome f large domain	CATH (4.3.0)
B	2.40.50.100	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)	RNA polymerase II/Efflux pump adaptor protein, barrel-sandwich hybrid domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF16639	Apocytochrome F, N-terminal (Apocytochr_F_N)	Apocytochrome F, N-terminal	This is the N-terminal domain of cytochrome f. It is a soluble lumen-side domain [1].	Domain
A, B	PF01333	Apocytochrome F, C-terminal (Apocytochr_F_C)	Apocytochrome F, C-terminal	This is a sub-family of cytochrome C. See Pfam:PF00034.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	CYTOCHROME F	binding tetrapyrrole binding heme binding electron transfer activity cation binding transition metal ion binding iron ion binding ion binding metal ion binding small molecule binding	photosynthesis metabolic process cellular process	chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure bounding membrane of organelle membraneless organelle plastid envelope chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure bounding membrane of organelle membraneless organelle plastid envelope thylakoid chloroplast membrane intracellular membraneless organelle intracellular membrane-bounded organelle thylakoid membrane organelle chloroplast thylakoid outer membrane cytoplasm photosynthetic membrane organelle membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR002325	Cytochrome f	Family
A, B	IPR011054	Rudiment single hybrid motif	Homologous Superfamily
A, B	IPR036826	Cytochrome f large domain superfamily	Homologous Superfamily
A, B	IPR024058	Cytochrome f transmembrane anchor	Homologous Superfamily
A, B	IPR024094	Cytochrome f large domain	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.