3PRU | pdb_00003pru

Crystal Structure of Phycobilisome 32.1 kDa linker polypeptide, phycocyanin-associated, rod 1 (fragment 14-158) from Synechocystis sp. PCC 6803, Northeast Structural Genomics Consortium Target SgR182A

External Resource: Annotation

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: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D	SCOP2 Family	Phycobilisome linker domain-like	8047743	4005795	SCOP2 (2022-06-29)
D	SCOP2 Superfamily	Phycobilisome linker domain-like	8052316	3002104	SCOP2 (2022-06-29)
D	SCOP2 Superfamily	Phycobilisome linker domain-like	8052317	3002104	SCOP2 (2022-06-29)
C [auth B]	SCOP2B Superfamily	Phycobilisome linker domain-like	8052316	3002104	SCOP2B (2022-06-29)
C [auth B]	SCOP2B Superfamily	Phycobilisome linker domain-like	8052317	3002104	SCOP2B (2022-06-29)
B [auth A]	SCOP2B Superfamily	Phycobilisome linker domain-like	8052316	3002104	SCOP2B (2022-06-29)
B [auth A]	SCOP2B Superfamily	Phycobilisome linker domain-like	8052317	3002104	SCOP2B (2022-06-29)
A [auth C]	SCOP2B Superfamily	Phycobilisome linker domain-like	8052317	3002104	SCOP2B (2022-06-29)
A [auth C]	SCOP2B Superfamily	Phycobilisome linker domain-like	8052316	3002104	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)
D	PBS_linker_poly	e3pruD1	A: alpha arrays	X: PBS linker domain of phycobilisome linker polypeptide (From Topology)	H: PBS linker domain of phycobilisome linker polypeptide (From Topology)	T: PBS linker domain of phycobilisome linker polypeptide	F: PBS_linker_poly	ECOD (1.6)
C [auth B]	PBS_linker_poly	e3pruB1	A: alpha arrays	X: PBS linker domain of phycobilisome linker polypeptide (From Topology)	H: PBS linker domain of phycobilisome linker polypeptide (From Topology)	T: PBS linker domain of phycobilisome linker polypeptide	F: PBS_linker_poly	ECOD (1.6)
B [auth A]	PBS_linker_poly	e3pruA1	A: alpha arrays	X: PBS linker domain of phycobilisome linker polypeptide (From Topology)	H: PBS linker domain of phycobilisome linker polypeptide (From Topology)	T: PBS linker domain of phycobilisome linker polypeptide	F: PBS_linker_poly	ECOD (1.6)
A [auth C]	PBS_linker_poly	e3pruC1	A: alpha arrays	X: PBS linker domain of phycobilisome linker polypeptide (From Topology)	H: PBS linker domain of phycobilisome linker polypeptide (From Topology)	T: PBS linker domain of phycobilisome linker polypeptide	F: PBS_linker_poly	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	1.10.3130.20	Mainly Alpha	Orthogonal Bundle	serine acetyltransferase, domain 1	Phycobilisome linker domain	CATH (4.3.0)
C [auth B]	1.10.3130.20	Mainly Alpha	Orthogonal Bundle	serine acetyltransferase, domain 1	Phycobilisome linker domain	CATH (4.3.0)
B [auth A]	1.10.3130.20	Mainly Alpha	Orthogonal Bundle	serine acetyltransferase, domain 1	Phycobilisome linker domain	CATH (4.3.0)
A [auth C]	1.10.3130.20	Mainly Alpha	Orthogonal Bundle	serine acetyltransferase, domain 1	Phycobilisome linker domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth C], B [auth A], C [auth B], D	PF00427	Phycobilisome Linker polypeptide (PBS_linker_poly)	Phycobilisome Linker polypeptide	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth C], B [auth A], C [auth B], D	Phycobilisome 32.1 kDa linker polypeptide, phycocyanin-associated, rod 1	-	photosynthesis metabolic process cellular process	intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane intracellular membraneless organelle plasma membrane-derived chromatophore thylakoid membrane intracellular organelle cell periphery cellular anatomical structure plasma membrane-derived thylakoid membrane organelle membraneless organelle plasma membrane region intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane intracellular membraneless organelle plasma membrane-derived chromatophore thylakoid membrane intracellular organelle cell periphery cellular anatomical structure plasma membrane-derived thylakoid membrane organelle membraneless organelle plasma membrane region bacterial thylakoid cytoplasm photosynthetic membrane thylakoid protein-containing complex membrane protein complex light-harvesting complex phycobilisome

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth C], B [auth A], C [auth B], D	IPR016470	Phycobilisome linker protein	Family
A [auth C], B [auth A], C [auth B], D	IPR008213	CpcD-like domain	Domain
A [auth C], B [auth A], C [auth B], D	IPR001297	Phycobilisome linker domain	Domain
A [auth C], B [auth A], C [auth B], D	IPR038255	Phycobilisome linker domain superfamily	Homologous Superfamily

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.