6YX8

The structure of allophycocyanin from cyanobacterium Nostoc sp. WR13, the C2221 crystal form.

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Protein Modification Annotation

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A [auth AAA]	SCOP2B Superfamily	Globin-like	8103074	3000554	SCOP2B (2022-06-29)
C [auth CCC]	SCOP2B Superfamily	Globin-like	8103074	3000554	SCOP2B (2022-06-29)
E [auth EEE]	SCOP2B Superfamily	Globin-like	8103074	3000554	SCOP2B (2022-06-29)
B [auth BBB]	SCOP2B Superfamily	Globin-like	8103076	3000554	SCOP2B (2022-06-29)
D [auth DDD]	SCOP2B Superfamily	Globin-like	8103076	3000554	SCOP2B (2022-06-29)
F [auth FFF]	SCOP2B Superfamily	Globin-like	8103076	3000554	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 [auth AAA]	PF00502	e6yx8AAA1	A: alpha arrays	X: Globin-like (From Topology)	H: Globin-like (From Topology)	T: Globin-like	F: PF00502	ECOD (1.6)
C [auth CCC]	PF00502	e6yx8CCC1	A: alpha arrays	X: Globin-like (From Topology)	H: Globin-like (From Topology)	T: Globin-like	F: PF00502	ECOD (1.6)
E [auth EEE]	PF00502	e6yx8EEE1	A: alpha arrays	X: Globin-like (From Topology)	H: Globin-like (From Topology)	T: Globin-like	F: PF00502	ECOD (1.6)
B [auth BBB]	PF00502	e6yx8BBB1	A: alpha arrays	X: Globin-like (From Topology)	H: Globin-like (From Topology)	T: Globin-like	F: PF00502	ECOD (1.6)
D [auth DDD]	PF00502	e6yx8DDD1	A: alpha arrays	X: Globin-like (From Topology)	H: Globin-like (From Topology)	T: Globin-like	F: PF00502	ECOD (1.6)
F [auth FFF]	PF00502	e6yx8FFF1	A: alpha arrays	X: Globin-like (From Topology)	H: Globin-like (From Topology)	T: Globin-like	F: PF00502	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth AAA], C [auth CCC], E [auth EEE]	PF00502	Phycobilisome protein (Phycobilisome)	Phycobilisome protein	-	Domain
B [auth BBB], D [auth DDD], F [auth FFF]	PF00502	Phycobilisome protein (Phycobilisome)	Phycobilisome protein	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth AAA], C [auth CCC], E [auth EEE]	ALPHA SUBUNIT OF CYANOBACTERIAL ALLOPHYCOCYANIN 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 membrane protein complex light-harvesting complex phycobilisome
B [auth BBB], D [auth DDD], F [auth FFF]	BETA SUBUNIT OF CYANOBACTERIAL ALLOPHYCOCYANIN 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 membrane protein complex light-harvesting complex phycobilisome

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth AAA], C [auth CCC], E [auth EEE]	IPR038719	Phycobilisome, alpha/beta subunit superfamily	Homologous Superfamily
A [auth AAA], C [auth CCC], E [auth EEE]	IPR009050	Globin-like superfamily	Homologous Superfamily
A [auth AAA], C [auth CCC], E [auth EEE]	IPR012128	Phycobilisome, alpha/beta subunit	Family
B [auth BBB], D [auth DDD], F [auth FFF]	IPR038719	Phycobilisome, alpha/beta subunit superfamily	Homologous Superfamily
B [auth BBB], D [auth DDD], F [auth FFF]	IPR006245	Allophycocyanin, beta subunit	Family
B [auth BBB], D [auth DDD], F [auth FFF]	IPR009050	Globin-like superfamily	Homologous Superfamily
B [auth BBB], D [auth DDD], F [auth FFF]	IPR012128	Phycobilisome, alpha/beta subunit	Family

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
B [auth BBB], D [auth DDD], F [auth FFF]	MEN	Parent Component: ASN RESID: AA0070 PSI-MOD : N4-methyl-L-asparagine MOD:00079

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 R01GM133198.