##gff-version 3
Q63994	UniProtKB	Signal peptide	1	16	.	.	.	Ontology_term=ECO:0000255;evidence=ECO:0000255	
Q63994	UniProtKB	Chain	17	403	.	.	.	ID=PRO_0000014879;Note=Myeloid cell surface antigen CD33	
Q63994	UniProtKB	Topological domain	18	240	.	.	.	Note=Extracellular;Ontology_term=ECO:0000255;evidence=ECO:0000255	
Q63994	UniProtKB	Transmembrane	241	267	.	.	.	Note=Helical;Ontology_term=ECO:0000255;evidence=ECO:0000255	
Q63994	UniProtKB	Topological domain	268	403	.	.	.	Note=Cytoplasmic;Ontology_term=ECO:0000255;evidence=ECO:0000255	
Q63994	UniProtKB	Domain	17	120	.	.	.	Note=Ig-like V-type	
Q63994	UniProtKB	Domain	145	228	.	.	.	Note=Ig-like C2-type	
Q63994	UniProtKB	Binding site	118	118	.	.	.	Ontology_term=ECO:0000250;evidence=ECO:0000250	
Q63994	UniProtKB	Glycosylation	110	110	.	.	.	Note=N-linked (GlcNAc...) asparagine;Ontology_term=ECO:0000255;evidence=ECO:0000255	
Q63994	UniProtKB	Glycosylation	160	160	.	.	.	Note=N-linked (GlcNAc...) asparagine;Ontology_term=ECO:0000255;evidence=ECO:0000255	
Q63994	UniProtKB	Glycosylation	230	230	.	.	.	Note=N-linked (GlcNAc...) asparagine;Ontology_term=ECO:0000255;evidence=ECO:0000255	
Q63994	UniProtKB	Disulfide bond	36	169	.	.	.	Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00114	
Q63994	UniProtKB	Disulfide bond	41	100	.	.	.	Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00114	
Q63994	UniProtKB	Disulfide bond	163	212	.	.	.	Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00114	
Q63994	UniProtKB	Alternative sequence	287	403	.	.	.	ID=VSP_002534;Note=In isoform 33-A. RQEAITSYNHCLSPTASDAVTPGCSIHRLISRTPRCTAILRIQDPYRRTHLRNRAVSTLRFPWISWEGSLRSTQRSKCTKLCSPVKNLCPLWLPVDNSCIPLIPEWVMLLCVSLTLS->AHQQDSKVHSNPENPRPLQKDSPQEQSSVHTKISLDFMGGKPQEYSEI;Ontology_term=ECO:0000303,ECO:0000303;evidence=ECO:0000303|PubMed:15489334,ECO:0000303|PubMed:8193354;Dbxref=PMID:15489334,PMID:8193354