NDB4C_ANDAM
ID NDB4C_ANDAM Reviewed; 74 AA.
AC G8YYA6;
DT 11-JUL-2012, integrated into UniProtKB/Swiss-Prot.
DT 22-FEB-2012, sequence version 1.
DT 25-MAY-2022, entry version 16.
DE RecName: Full=Antimicrobial peptide 2 {ECO:0000303|PubMed:22484288};
DE Short=AamAP2 {ECO:0000303|PubMed:22484288};
DE AltName: Full=Non-disulfide-bridged peptide 4.12 {ECO:0000303|PubMed:24184590};
DE Short=NDBP-4.12 {ECO:0000303|PubMed:24184590};
DE Flags: Precursor;
OS Androctonus amoreuxi (African fattail scorpion) (Scorpio amoreuxi).
OC Eukaryota; Metazoa; Ecdysozoa; Arthropoda; Chelicerata; Arachnida;
OC Scorpiones; Buthida; Buthoidea; Buthidae; Androctonus.
OX NCBI_TaxID=112024;
RN [1]
RP NUCLEOTIDE SEQUENCE [MRNA], PROTEIN SEQUENCE OF 23-40, FUNCTION, AMIDATION
RP AT LYS-40, AND MASS SPECTROMETRY.
RC TISSUE=Venom, and Venom gland;
RX PubMed=22484288; DOI=10.1016/j.peptides.2012.03.016;
RA Almaaytah A., Zhou M., Wang L., Chen T., Walker B., Shaw C.;
RT "Antimicrobial/cytolytic peptides from the venom of the North African
RT scorpion, Androctonus amoreuxi: biochemical and functional characterization
RT of natural peptides and a single site-substituted analog.";
RL Peptides 35:291-299(2012).
RN [2]
RP NOMENCLATURE.
RX PubMed=24184590; DOI=10.1016/j.peptides.2013.10.021;
RA Almaaytah A., Albalas Q.;
RT "Scorpion venom peptides with no disulfide bridges: a review.";
RL Peptides 51:35-45(2014).
CC -!- FUNCTION: Has antibacterial activity against the Gram-positive bacteria
CC S.aureus (MIC=48 uM), the Gram-negative bacteria E.coli (MIC=120 uM),
CC and the yeast C.albicans (MIC=64 uM). Causes hemolysis on horse
CC erythrocytes. {ECO:0000269|PubMed:22484288}.
CC -!- SUBCELLULAR LOCATION: Secreted. Target cell membrane. Note=Forms a
CC helical membrane channel in the prey.
CC -!- TISSUE SPECIFICITY: Expressed by the venom gland.
CC -!- MASS SPECTROMETRY: Mass=1880.93; Method=MALDI;
CC Evidence={ECO:0000269|PubMed:22484288};
CC -!- SIMILARITY: Belongs to the non-disulfide-bridged peptide (NDBP)
CC superfamily. Short antimicrobial peptide (group 4) family.
CC {ECO:0000305}.
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DR EMBL; FR821614; CBZ41127.1; -; mRNA.
DR AlphaFoldDB; G8YYA6; -.
DR PRIDE; G8YYA6; -.
DR GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR GO; GO:0042742; P:defense response to bacterium; IEA:UniProtKB-KW.
DR GO; GO:0044179; P:hemolysis in another organism; IEA:UniProtKB-KW.
PE 1: Evidence at protein level;
KW Amidation; Antibiotic; Antimicrobial; Cleavage on pair of basic residues;
KW Cytolysis; Direct protein sequencing; Hemolysis; Membrane; Secreted;
KW Signal; Target cell membrane; Target membrane; Transmembrane.
FT SIGNAL 1..22
FT /evidence="ECO:0000269|PubMed:22484288"
FT PEPTIDE 23..40
FT /note="Antimicrobial peptide 2"
FT /id="PRO_5000827074"
FT PROPEP 46..74
FT /evidence="ECO:0000250"
FT /id="PRO_5000827073"
FT MOD_RES 40
FT /note="Lysine amide"
FT /evidence="ECO:0000269|PubMed:22484288"
SQ SEQUENCE 74 AA; 8539 MW; C869F8B134A48725 CRC64;
MEIKYLLTVF LVLLIVSDHC QAFPFSLIPH AIGGLISAIK GRRKRDLDGQ IDRSRNFRKR
DAELEELLSK LPIY