CD45 deficiency

Gene Information

Names

HUGO name: PTPRC

Alias(es):

  • CD45
  • GP180
  • LCA
  • T200
  • protein tyrosine phosphatase, receptor type, C
  • protein tyrosine phosphatase, receptor type, c polypeptide
  • Leukocyte common antigen precursor
  • CD45 antigen

Localization

Reference sequences

Chromosomal location

Maps

Protein Information

Description

Protein function:

Required for T-cells activation through the antigen receptor. The first PTPase domain has enzymatic activity, while the second one seems to affect the substrate specificity of the first one.

Catalytic activity:

Protein tyrosine phosphate + H(2)o = protein tyrosine + phosphate

Subcellular location:

Type I membrane protein

Post-translational modification:

Heavily N- and O-glycosylated

Alternative products:

At least 8 isoforms are produced by alternative splicing

Structures (PDB)

Domains

Extracellular domain: 24-575

    Cytoplasmic domain: 598-1304

      Fibronectin type-III 1 domain: 387-479

        Fibronectin type-III 2 domain: 480-571

          Protein-tyrosine phosphatase 1 domain: 670-919

            Protein-tyrosine phosphatase 2 domain: 961-1235

              Expression

              Expression pattern for human

              Tissue Expression (%) Clones
              nasopharynx 12.00 1:646
              adipose 9.13 1:849
              blood, white cells 8.52 1:910
              nose, olfactory epithelium 6.94 1:1116
              lymph, T-cell 6.38 7:8503
              subchondral bone 5.82 1:1332
              lymph 5.17 43:64395
              pheochromocytoma 4.97 1:1560
              thymus, pooled 4.89 2:3169
              chondrosarcoma 3.81 6:12201

              Animal models

              Mouse

              Fly

              C. elegans