ID   AP65_CARMA              Reviewed;          30 AA.
AC   P82964;
DT   04-MAY-2001, integrated into UniProtKB/Swiss-Prot.
DT   04-MAY-2001, sequence version 1.
DT   02-JUN-2021, entry version 27.
DE   RecName: Full=Antibacterial 6.5 kDa protein;
DE   Flags: Fragment;
OS   Carcinus maenas (Common shore crab) (Green crab).
OC   Eukaryota; Metazoa; Ecdysozoa; Arthropoda; Crustacea; Multicrustacea;
OC   Malacostraca; Eumalacostraca; Eucarida; Decapoda; Pleocyemata; Brachyura;
OC   Eubrachyura; Portunoidea; Carcinidae; Carcinus.
OX   NCBI_TaxID=6759;
RN   [1]
RP   PROTEIN SEQUENCE, AND FUNCTION.
RC   TISSUE=Hemocyte;
RX   PubMed=8856051; DOI=10.1111/j.1432-1033.1996.0532h.x;
RA   Schnapp D., Kemp G.D., Smith V.J.;
RT   "Purification and characterization of a proline-rich antibacterial peptide,
RT   with sequence similarity to bactenecin-7, from the haemocytes of the shore
RT   crab, Carcinus maenas.";
RL   Eur. J. Biochem. 240:532-539(1996).
CC   -!- FUNCTION: Strong antimicrobial activity against P.immobilis and
CC       M.luteus, less active against E.coli D22. {ECO:0000269|PubMed:8856051}.
CC   -!- MISCELLANEOUS: On the 2D-gel the determined MW is: 6.5 kDa.
CC   -!- SIMILARITY: To bovine bactenecin 7. {ECO:0000305}.
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DR   PIR; S74112; S74112.
DR   GO; GO:0042742; P:defense response to bacterium; IEA:UniProtKB-KW.
PE   1: Evidence at protein level;
KW   Antibiotic; Antimicrobial; Direct protein sequencing.
FT   CHAIN           1..>30
FT                   /note="Antibacterial 6.5 kDa protein"
FT                   /id="PRO_0000064610"
FT   REGION          1..30
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        1..23
FT                   /note="Pro residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   NON_TER         30
SQ   SEQUENCE   30 AA;  3307 MW;  6E2C2205934896C4 CRC64;
     XXVPYPRPFP RPPIGPRPLP FPGGGRPFQS