Antigen Peptide Transporter 2

**Semantic type:** Amino Acid, Peptide, or Protein|Enzyme

**Definition:** Antigen peptide transporter 2 (686 aa, ~76 kDa) is encoded by the human TAP2 gene. This protein is involved in MHC class I protein folding and antigen presentation.

**Synonyms:** - ABC Transporter, MHC 2 - APT2 - ATP-Binding Cassette Sub-Family B Member 3 - ATP-Binding Cassette, Sub-Family B, Member 3 - PSF-2 - Peptide Supply Factor 2 - Peptide Transporter Involved In Antigen Processing 2 - Peptide Transporter PSF2 - Peptide Transporter TAP2 - Really Interesting New Gene 11 Protein - TAP2 - Transporter 2, ABC (ATP Binding Cassette) - Transporter 2, ATP-Binding Cassette, Sub-Family B