Annotations: 3ZPN

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Psb28-like	8056979	3002372	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Psb28-like	8056979	3002372	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Psb28-like	8056979	3002372	SCOP2B (2022-06-29)
D	SCOP2 Family	Psb28-like	8045139	4004316	SCOP2 (2022-06-29)
D	SCOP2 Superfamily	Psb28-like	8056979	3002372	SCOP2 (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	Psb28	e3zpnA1	A: beta barrels	X: cradle loop barrel	H: Photosystem II accessory factor Psb28 (From Topology)	T: Photosystem II accessory factor Psb28	F: Psb28	ECOD (1.6)
B	Psb28	e3zpnB1	A: beta barrels	X: cradle loop barrel	H: Photosystem II accessory factor Psb28 (From Topology)	T: Photosystem II accessory factor Psb28	F: Psb28	ECOD (1.6)
C	Psb28	e3zpnC1	A: beta barrels	X: cradle loop barrel	H: Photosystem II accessory factor Psb28 (From Topology)	T: Photosystem II accessory factor Psb28	F: Psb28	ECOD (1.6)
D	Psb28	e3zpnD1	A: beta barrels	X: cradle loop barrel	H: Photosystem II accessory factor Psb28 (From Topology)	T: Photosystem II accessory factor Psb28	F: Psb28	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.40.30.220	Mainly Beta	Beta Barrel	Elongation Factor Tu (Ef-tu)	domain 3	CATH (4.3.0)
B	2.40.30.220	Mainly Beta	Beta Barrel	Elongation Factor Tu (Ef-tu)	domain 3	CATH (4.3.0)
C	2.40.30.220	Mainly Beta	Beta Barrel	Elongation Factor Tu (Ef-tu)	domain 3	CATH (4.3.0)
D	2.40.30.220	Mainly Beta	Beta Barrel	Elongation Factor Tu (Ef-tu)	domain 3	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF03912	Psb28 protein (Psb28)	Psb28 protein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	PHOTOSYSTEM II REACTION CENTER PSB28 PROTEIN	-	photosynthesis cellular metabolic process metabolic process cellular process	intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane plasma membrane-derived chromatophore cellular anatomical entity thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle intracellular non-membrane-bounded organelle plasma membrane region bacterial thylakoid intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane plasma membrane-derived chromatophore cellular anatomical entity thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle intracellular non-membrane-bounded organelle plasma membrane region bacterial thylakoid cytoplasm photosynthetic membrane thylakoid non-membrane-bounded organelle protein-containing complex photosystem catalytic complex photosystem II membrane protein complex photosystem II oxygen evolving complex oxidoreductase complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR005610	Photosystem II Psb28, class 1	Family
A, B, C, D	IPR038676	Photosystem II Psb28, class 1 superfamily	Homologous Superfamily

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.