P20138 (CD33_HUMAN) Homo sapiens (Human)

Myeloid cell surface antigen CD33 UniProtKBInterProSTRINGInteractive Modelling

364 aa; Sequence (Fasta) ; (Isoform 2; Isoform 3; ) Identical sequences: Homo sapiens: Q546G0

Sequence Features

 14A -> V (in dbSNP:rs12459419). VAR_049904 dbSNP
 22W -> R (in dbSNP:rs35814802). VAR_049905 dbSNP
 69R -> G (in dbSNP:rs2455069). VAR_028260 dbSNP
 128S -> N (in dbSNP:rs34919259). VAR_049906 dbSNP
 202R -> W (in dbSNP:rs4082929). VAR_028261 dbSNP
 242I -> L (in dbSNP:rs988337). VAR_028262 dbSNP
 243F -> L (in dbSNP:rs11882250). VAR_028263 dbSNP
 267V -> I (in dbSNP:rs58981829). VAR_061319 dbSNP
 294V -> L (in dbSNP:rs2271652). VAR_028264 dbSNP
 304G -> R (in dbSNP:rs35112940). VAR_049907 dbSNP
 331T -> A (in dbSNP:rs35632246). VAR_049908 dbSNP
 260-282Helical.
 36-169
 41-101
 163-212
 24-138Immunoglobulin V-set domain
IPR013106PF07686
 151-226Immunoglobulin
IPR013151PF00047

Sequence Alignments

Experimental structures

DescriptionOligo-stateLigandsStructureRangeDownloadAssess
Structure of the immune receptor CD33homo-2-mer NAG;5ihb21-232
Structure of the immune receptor CD33 in complex with 6'-sialyllactosehomo-2-mer SIA;GAL;NAG;5j0b21-232
Structure of the immune receptor CD33 in complex with 3'-sialyllactosehomo-2-mer SIA;NAG;5j0621-232
Cell Surface Receptormonomer 6d4818-142
Cell Surface Receptor in Complex with Ligand at 1.80-A Resolutionmonomer GOL;FVP;6d4918-142
Cell Surface Receptor with Bound Ligand at 1.75-A Resolutionmonomer GOL;FVP;6d4a20-142

Homology models

Oligo-stateLigandsQMEANTemplateRangeSeq id (%)ReportDownloadAssess
monomer -4.085vkj.1.A19-244
25.58

Homology models built on isoform sequence

Isoform #Oligo-stateLigandsQMEANTemplateRangeSeq id (%)ReportDownloadAssess
2homo-2-merSIA;NAG;2.025j0b.1.A21-232
99.53
3homo-2-mer0.375j0b.1.A6-105
94.00
2monomer-4.615fxc.1.A22-231
21.21
2monomer-4.186n32.1.B21-231
18.00
2monomer-4.746bi2.1.A22-231
20.10