Annotations: 7T7U

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Phycoerythr_ab	e7t7uA1	A: extended segments	X: Phycoerythrin 545 alpha-subunits (From Topology)	H: Phycoerythrin 545 alpha-subunits (From Topology)	T: Phycoerythrin 545 alpha-subunits	F: Phycoerythr_ab	ECOD (1.6)
B	Phycobilisome	e7t7uB1	A: alpha arrays	X: Globin-like (From Topology)	H: Globin-like (From Topology)	T: Globin-like	F: Phycobilisome	ECOD (1.6)
D	Phycobilisome	e7t7uD1	A: alpha arrays	X: Globin-like (From Topology)	H: Globin-like (From Topology)	T: Globin-like	F: Phycobilisome	ECOD (1.6)
C	Phycoerythr_ab	e7t7uC1	A: extended segments	X: Phycoerythrin 545 alpha-subunits (From Topology)	H: Phycoerythrin 545 alpha-subunits (From Topology)	T: Phycoerythrin 545 alpha-subunits	F: Phycoerythr_ab	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF02972	Phycoerythrin, alpha/beta chain (Phycoerythr_ab)	Phycoerythrin, alpha/beta chain	-	Family
B, D	PF00502	Phycobilisome protein (Phycobilisome)	Phycobilisome protein	-	Domain
C	PF02972	Phycoerythrin, alpha/beta chain (Phycoerythr_ab)	Phycoerythrin, alpha/beta chain	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Phycoerythrin alpha subunit L1	-	photosynthesis cellular metabolic process 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 bounding membrane of organelle thylakoid plastid envelope chloroplast chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope bounding membrane of organelle thylakoid plastid envelope chloroplast non-membrane-bounded organelle membrane cellular anatomical entity intracellular membrane-bounded organelle thylakoid membrane organelle chloroplast thylakoid intracellular non-membrane-bounded organelle outer membrane cytoplasm photosynthetic membrane organelle membrane protein-containing complex membrane protein complex light-harvesting complex phycobilisome
B, D	Phycoerythrin beta subunit	-	photosynthesis cellular metabolic process metabolic process cellular process	membrane-bounded organelle intracellular organelle intracellular anatomical structure plastid organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle protein-containing complex membrane membrane protein complex light-harvesting complex thylakoid membrane intracellular non-membrane-bounded organelle membrane-bounded organelle intracellular organelle intracellular anatomical structure plastid organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle protein-containing complex membrane membrane protein complex light-harvesting complex thylakoid membrane intracellular non-membrane-bounded organelle photosynthetic membrane phycobilisome thylakoid non-membrane-bounded organelle
C	Phycoerythrin alpha subunit S1	-	photosynthesis cellular metabolic process 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 bounding membrane of organelle thylakoid plastid envelope chloroplast chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope bounding membrane of organelle thylakoid plastid envelope chloroplast non-membrane-bounded organelle membrane cellular anatomical entity intracellular membrane-bounded organelle thylakoid membrane organelle chloroplast thylakoid intracellular non-membrane-bounded organelle outer membrane cytoplasm photosynthetic membrane organelle membrane protein-containing complex membrane protein complex light-harvesting complex phycobilisome

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR004228	Phycoerythrin alpha chain	Domain
A	IPR037011	Phycoerythrin-like alpha chain superfamily	Homologous Superfamily
A	IPR011070	Globular protein, non-globular alpha/beta subunit	Homologous Superfamily
B, D	IPR038719	Phycobilisome, alpha/beta subunit superfamily	Homologous Superfamily
B, D	IPR009050	Globin-like superfamily	Homologous Superfamily
B, D	IPR012128	Phycobilisome, alpha/beta subunit	Family
C	IPR006311	Twin-arginine translocation pathway, signal sequence	Conserved Site
C	IPR004228	Phycoerythrin alpha chain	Domain
C	IPR037011	Phycoerythrin-like alpha chain superfamily	Homologous Superfamily
C	IPR011070	Globular protein, non-globular alpha/beta subunit	Homologous Superfamily

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A	LYZ	Parent Component: LYS RESID: AA0028 PSI-MOD : 5-hydroxy-L-lysine MOD:00037
B, D	MEN	Parent Component: ASN RESID: AA0028 , AA0070 PSI-MOD : 5-hydroxy-L-lysine MOD:00037 , N4-methyl-L-asparagine MOD:00079
C	LYZ	Parent Component: LYS RESID: AA0028 , AA0070 , AA0028 PSI-MOD : 5-hydroxy-L-lysine MOD:00037 , N4-methyl-L-asparagine MOD:00079 , 5-hydroxy-L-lysine MOD:00037

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.