3MWN | pdb_00003mwn

Structure of the Novel 14 kDa Fragment of alpha-Subunit of Phycoerythrin from the Starving Cyanobacterium Phormidium Tenue

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
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)
A	SCOP2B Superfamily	Globin-like	8036271	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)
B	PBP	e3mwnB1	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: Immunoglobulin-related	T: PEBP-like	F: PBP	ECOD (v294.1)
A	HTH_25	e3mwnA1	A: a/b three-layered sandwiches	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: HTH_25	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	1.10.490.20	Mainly Alpha	Orthogonal Bundle	Globin-like	Phycocyanins	CATH (4.3.0)
A	1.10.490.20	Mainly Alpha	Orthogonal Bundle	Globin-like	Phycocyanins	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	PHYCOERYTHRIN	-	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 chloroplast thylakoid membrane membrane-bounded organelle plastid membrane plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid organelle envelope bounding membrane of organelle plastid envelope chloroplast intracellular membrane-bounded organelle chloroplast thylakoid outer membrane organelle membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR038719	Phycobilisome, alpha/beta subunit superfamily	Homologous Superfamily
A, B	IPR009050	Globin-like superfamily	Homologous Superfamily
A, B	IPR012128	Phycobilisome, alpha/beta subunit	Family
A, B	IPR038719	Phycobilisome, alpha/beta subunit superfamily	Homologous Superfamily
A, B	IPR009050	Globin-like superfamily	Homologous Superfamily
A, B	IPR012128	Phycobilisome, alpha/beta subunit	Family

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.