Annotations: 9MKO

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
M [auth a]	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8054547	3000071	SCOP2B (2022-06-29)
K [auth O]	SCOP2B Superfamily	Globin-like	8036278	3000554	SCOP2B (2022-06-29)
I [auth L]	SCOP2B Superfamily	Globin-like	8036278	3000554	SCOP2B (2022-06-29)
G [auth I]	SCOP2B Superfamily	Globin-like	8036278	3000554	SCOP2B (2022-06-29)
E [auth F]	SCOP2B Superfamily	Globin-like	8036278	3000554	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Globin-like	8036278	3000554	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Globin-like	8036278	3000554	SCOP2B (2022-06-29)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, C, E [auth F], G [auth I], I [auth L], A, C, E [auth F], G [auth I], I [auth L], K [auth O]	PF09291	Domain of unknown function (DUF1968) (DUF1968)	Domain of unknown function (DUF1968)	Members of this family are found in mammalian T-cell antigen receptor, and adopt an immunoglobulin-like beta-sandwich fold, with seven strands in two beta-sheets in a Greek-key topology. Their exact function has not, as yet, been determined.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
N [auth b]	4D4 TCR beta chain	-	-	-
M [auth a]	4D4 TCR alpha chain	-	cellular response to stimulus immune response-regulating cell surface receptor signaling pathway regulation of cellular process response to stimulus signaling positive regulation of biological process cell communication positive regulation of response to stimulus immune response-activating signaling pathway immune response-regulating signaling pathway positive regulation of immune response regulation of immune system process signal transduction positive regulation of immune system process cellular response to stimulus immune response-regulating cell surface receptor signaling pathway regulation of cellular process response to stimulus signaling positive regulation of biological process cell communication positive regulation of response to stimulus immune response-activating signaling pathway immune response-regulating signaling pathway positive regulation of immune response regulation of immune system process signal transduction positive regulation of immune system process regulation of biological process cell surface receptor signaling pathway immune response-activating cell surface receptor signaling pathway immune response biological regulation T cell receptor signaling pathway regulation of response to stimulus immune system process regulation of immune response cellular process antigen receptor-mediated signaling pathway activation of immune response adaptive immune response biological process involved in interspecies interaction between organisms response to other organism response to bacterium response to external stimulus response to external biotic stimulus response to biotic stimulus multicellular organismal process T cell activation cell activation alpha-beta T cell activation lymphocyte activation leukocyte activation	cell periphery cellular anatomical structure plasma membrane membrane protein-containing complex plasma membrane protein complex membrane protein complex alpha-beta T cell receptor complex receptor complex plasma membrane signaling receptor complex T cell receptor complex
B, D, F [auth G], H [auth J], J [auth M], B, D, F [auth G], H [auth J], J [auth M], L [auth Q]	R-phycoerythrin class I beta subunit	-	photosynthesis 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 cellular anatomical structure bounding membrane of organelle membraneless organelle plastid envelope chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure bounding membrane of organelle membraneless organelle plastid envelope thylakoid chloroplast membrane intracellular membraneless organelle intracellular membrane-bounded organelle thylakoid membrane organelle chloroplast thylakoid outer membrane cytoplasm photosynthetic membrane organelle membrane protein-containing complex membrane protein complex light-harvesting complex phycobilisome
A, C, E [auth F], G [auth I], I [auth L], A, C, E [auth F], G [auth I], I [auth L], K [auth O]	R-phycoerythrin class I alpha subunit	-	photosynthesis 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 cellular anatomical structure bounding membrane of organelle membraneless organelle plastid envelope chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure bounding membrane of organelle membraneless organelle plastid envelope thylakoid chloroplast membrane intracellular membraneless organelle intracellular membrane-bounded organelle thylakoid membrane organelle chloroplast thylakoid 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
M [auth a]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
M [auth a]	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
M [auth a]	IPR015370	T-cell receptor alpha chain, constant domain	Domain
B, D, F [auth G], H [auth J], J [auth M], B, D, F [auth G], H [auth J], J [auth M], L [auth Q]	IPR038719	Phycobilisome, alpha/beta subunit superfamily	Homologous Superfamily
B, D, F [auth G], H [auth J], J [auth M], B, D, F [auth G], H [auth J], J [auth M], L [auth Q]	IPR009050	Globin-like superfamily	Homologous Superfamily
B, D, F [auth G], H [auth J], J [auth M], B, D, F [auth G], H [auth J], J [auth M], L [auth Q]	IPR012128	Phycobilisome, alpha/beta subunit	Family
A, C, E [auth F], G [auth I], I [auth L], A, C, E [auth F], G [auth I], I [auth L], K [auth O]	IPR038719	Phycobilisome, alpha/beta subunit superfamily	Homologous Superfamily
A, C, E [auth F], G [auth I], I [auth L], A, C, E [auth F], G [auth I], I [auth L], K [auth O]	IPR009050	Globin-like superfamily	Homologous Superfamily
A, C, E [auth F], G [auth I], I [auth L], A, C, E [auth F], G [auth I], I [auth L], K [auth O]	IPR012128	Phycobilisome, alpha/beta subunit	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
M [auth a]	Pharos: P01848	TCR-alpha-beta-positive T-cell deficiency B-cell chronic lymphocytic leukemia invasive ductal breast carcinoma malignant ependymoma Sjogren syndrome cutaneous lupus erythematosus large cell medulloblastoma medulloblastoma interstitial cystitis lung cancer osteosarcoma ulcerative colitis

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.