ID   MK2B_PALPR              Reviewed;          16 AA.
AC   P80410;
DT   01-NOV-1995, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1995, sequence version 1.
DT   25-MAY-2022, entry version 41.
DE   RecName: Full=Metalnikowin-2B;
DE   AltName: Full=Metalnikowin IIB;
OS   Palomena prasina (Green shield bug) (Cimex prasinus).
OC   Eukaryota; Metazoa; Ecdysozoa; Arthropoda; Hexapoda; Insecta; Pterygota;
OC   Neoptera; Paraneoptera; Hemiptera; Heteroptera; Panheteroptera;
OC   Pentatomomorpha; Pentatomoidea; Pentatomidae; Pentatominae; Palomena.
OX   NCBI_TaxID=55431;
RN   [1]
RP   PROTEIN SEQUENCE, FUNCTION, INDUCTION, AND MASS SPECTROMETRY.
RC   TISSUE=Hemolymph, and Larval hemolymph;
RX   DOI=10.1016/0022-1910(95)00085-2;
RA   Chernysh S., Cociancich S., Briand J.-P., Hetru C., Bulet P.;
RT   "The inducible antibacterial peptides of the hemipteran insect Palomena
RT   prasina: identification of a unique family of proline-rich peptides and of
RT   a novel insect defensin.";
RL   J. Insect Physiol. 42:81-89(1996).
CC   -!- FUNCTION: Antibacterial peptide active against Gram-negative bacteria.
CC       {ECO:0000269|Ref.1}.
CC   -!- INDUCTION: By bacterial infection. {ECO:0000269|Ref.1}.
CC   -!- MASS SPECTROMETRY: Mass=2040.7; Mass_error=0.4; Method=Electrospray;
CC       Evidence={ECO:0000269|Ref.1};
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DR   AlphaFoldDB; P80410; -.
DR   GO; GO:0005576; C:extracellular region; IDA:UniProtKB.
DR   GO; GO:0050829; P:defense response to Gram-negative bacterium; IEP:UniProtKB.
DR   GO; GO:0045087; P:innate immune response; IEA:UniProtKB-KW.
PE   1: Evidence at protein level;
KW   Antibiotic; Antimicrobial; Direct protein sequencing; Immunity;
KW   Innate immunity.
FT   PEPTIDE         1..16
FT                   /note="Metalnikowin-2B"
FT                   /id="PRO_0000044162"
SQ   SEQUENCE   16 AA;  2040 MW;  AF21407D063B9462 CRC64;
     VDKPDYRPRP WPRNMI