##gff-version 3
P09793	UniProtKB	Signal peptide	1	35	.	.	.	Ontology_term=ECO:0000255;evidence=ECO:0000255	
P09793	UniProtKB	Chain	36	223	.	.	.	ID=PRO_0000014735;Note=Cytotoxic T-lymphocyte protein 4	
P09793	UniProtKB	Topological domain	36	161	.	.	.	Note=Extracellular;Ontology_term=ECO:0000255;evidence=ECO:0000255	
P09793	UniProtKB	Transmembrane	162	182	.	.	.	Note=Helical;Ontology_term=ECO:0000255;evidence=ECO:0000255	
P09793	UniProtKB	Topological domain	183	223	.	.	.	Note=Cytoplasmic;Ontology_term=ECO:0000255;evidence=ECO:0000255	
P09793	UniProtKB	Domain	36	145	.	.	.	Note=Ig-like V-type	
P09793	UniProtKB	Region	46	50	.	.	.	Note=Homodimerization;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P16410	
P09793	UniProtKB	Region	134	139	.	.	.	Note=Important for interaction with CD80 and CD86;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P16410	
P09793	UniProtKB	Region	150	155	.	.	.	Note=Homodimerization;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P16410	
P09793	UniProtKB	Modified residue	201	201	.	.	.	Note=Phosphotyrosine%3B by TXK and JAK2;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P16410	
P09793	UniProtKB	Glycosylation	108	108	.	.	.	Note=N-linked (GlcNAc...) asparagine;Ontology_term=ECO:0000255;evidence=ECO:0000255	
P09793	UniProtKB	Glycosylation	113	113	.	.	.	Note=N-linked (GlcNAc...) asparagine;Ontology_term=ECO:0000255;evidence=ECO:0000255	
P09793	UniProtKB	Glycosylation	145	145	.	.	.	Note=N-linked (GlcNAc...) asparagine;Ontology_term=ECO:0000255;evidence=ECO:0000255	
P09793	UniProtKB	Disulfide bond	58	129	.	.	.	Ontology_term=ECO:0000269,ECO:0007744;evidence=ECO:0000269|PubMed:11052947,ECO:0007744|PDB:1DQT;Dbxref=PMID:11052947	
P09793	UniProtKB	Disulfide bond	85	103	.	.	.	Ontology_term=ECO:0000269,ECO:0007744;evidence=ECO:0000269|PubMed:11052947,ECO:0007744|PDB:1DQT;Dbxref=PMID:11052947	
P09793	UniProtKB	Disulfide bond	157	157	.	.	.	Note=Interchain;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00114	
P09793	UniProtKB	Sequence conflict	182	182	.	.	.	Note=S->T;Ontology_term=ECO:0000305;evidence=ECO:0000305	
P09793	UniProtKB	Beta strand	39	41	.	.	.	Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:5E56	
P09793	UniProtKB	Beta strand	44	47	.	.	.	Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:5E56	
P09793	UniProtKB	Beta strand	54	62	.	.	.	Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:5E56	
P09793	UniProtKB	Beta strand	68	79	.	.	.	Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:5E56	
P09793	UniProtKB	Beta strand	81	89	.	.	.	Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:5E56	
P09793	UniProtKB	Beta strand	91	96	.	.	.	Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:1DQT	
P09793	UniProtKB	Beta strand	103	108	.	.	.	Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:5E56	
P09793	UniProtKB	Beta strand	111	116	.	.	.	Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:5E56	
P09793	UniProtKB	Helix	121	123	.	.	.	Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:5E56	
P09793	UniProtKB	Beta strand	125	138	.	.	.	Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:5E56	
P09793	UniProtKB	Beta strand	140	143	.	.	.	Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:5E56	
P09793	UniProtKB	Beta strand	147	150	.	.	.	Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:5E56