Structure diagram for LL-37, PubChem CID 16198951

Identity established

LL-37

Human cathelicidin peptide

LL-37 is the 37-residue antimicrobial peptide from human cathelicidin. The sequence matches the formula of PubChem CID 16198951 as the free peptide, without an added cap.

Record

Research status
Identity established
Classification
Cathelicidin peptide
One-letter sequence
LLGDFFRKSKEKIGKEFKRIVQRIKDFLRNLVPRTES
Length
37 residues
Molecular formula
C205H340N60O53
Molecular weight
4493
CAS number
154947-66-7
PubChem CID
16198951
Sequence database
Not verified

What this record does not claim

The precursor protein is not this peptide. Only the 37-residue sequence is stored.

Last reviewed October 13, 2026. Send a correction