Because of a lapse in government funding, the information on this website may not be up to date, transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted. The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov. Updates regarding government operating status and resumption of normal operations can be found at opm.gov.

NLM Logo

CD13 Antigens MeSH Descriptor Data 2026


MeSH Heading
CD13 Antigens
Tree Number(s)
D08.811.277.656.350.100.160
D08.811.277.656.350.555.100
D08.811.277.656.675.555.100
D23.050.301.264.894.113
D23.101.100.894.113
Unique ID
D018826
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D018826
Scope Note
Zinc-binding metalloproteases that are members of the type II integral membrane metalloproteases. They are expressed by GRANULOCYTES; MONOCYTES; and their precursors as well as by various non-hematopoietic cells. They release an N-terminal amino acid from a peptide, amide or arylamide.
Entry Term(s)
ANPEP Protein
Alanine Aminopeptidase
Alanyl Aminopeptidase
Amino-oligopeptidase
Aminooligopeptidase
Aminopeptidase M
Aminopeptidase N
Antigens, CD13
CD13 Antigen
Membrane Alanyl Aminopeptidase
Registry Numbers
EC 3.4.11.2
EC 3.4.11.2
Related Numbers
9054-63-1
EC 3.4.11.2
Previous Indexing
Alanine (1975-1980)
Aminopeptidases (1981-1994)
Antigens, CD (1991-1994)
Antigens, Differentiation (1988)
Antigens, Differentiation, Myelomonocytic (1989-1994)
Public MeSH Note
2018; see ANTIGENS, CD13 1995-2017, CD13 ANTIGEN 1988-94, and ALANINE AMINOPEPTIDASE 1975-94; CD13 ANTIGENS was indexed under ANTIGENS, CD 1991-94; ANTIGENS, DIFFERENTIATION, MYELOMONOCYTIC 1989-94; and ANTIGENS, DIFFERENTIATION 1988; ALANINE AMINOPEPIDASE was indexed under AMINOPEPTIDASES 1981-94 and under ALANINE 1975-80
History Note
2018 (1975)
Date Introduced
1995/01/01
Last Updated
2021/07/01
CD13 Antigens Preferred
Aminooligopeptidase Narrower
page delivered in 0.153s