ID   CU7A_LIMPO              Reviewed;          59 AA.
AC   P83359;
DT   01-NOV-2002, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2002, sequence version 1.
DT   25-MAY-2022, entry version 30.
DE   RecName: Full=Cuticle protein 7 isoform a;
DE   AltName: Full=LpCP7a;
OS   Limulus polyphemus (Atlantic horseshoe crab).
OC   Eukaryota; Metazoa; Ecdysozoa; Arthropoda; Chelicerata; Merostomata;
OC   Xiphosura; Limulidae; Limulus.
OX   NCBI_TaxID=6850 {ECO:0000305};
RN   [1]
RP   PROTEIN SEQUENCE, MASS SPECTROMETRY, AND PYROGLUTAMATE FORMATION AT GLN-1.
RC   TISSUE=Carapace cuticle;
RX   PubMed=12628379; DOI=10.1016/s1096-4959(02)00291-9;
RA   Ditzel N., Andersen S.O., Hoejrup P.;
RT   "Cuticular proteins from the horseshoe crab, Limulus polyphemus.";
RL   Comp. Biochem. Physiol. 134B:489-497(2003).
CC   -!- MASS SPECTROMETRY: Mass=6916; Method=MALDI;
CC       Evidence={ECO:0000269|PubMed:12628379};
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DR   AlphaFoldDB; P83359; -.
DR   GO; GO:0042302; F:structural constituent of cuticle; IEA:UniProtKB-KW.
DR   InterPro; IPR012540; Cuticle_2.
DR   Pfam; PF08184; Cuticle_2; 1.
PE   1: Evidence at protein level;
KW   Cuticle; Direct protein sequencing; Pyrrolidone carboxylic acid.
FT   CHAIN           1..59
FT                   /note="Cuticle protein 7 isoform a"
FT                   /id="PRO_0000196173"
FT   MOD_RES         1
FT                   /note="Pyrrolidone carboxylic acid"
FT                   /evidence="ECO:0000269|PubMed:12628379"
SQ   SEQUENCE   59 AA;  6934 MW;  9EFC2F46595A41B5 CRC64;
     QAVRYANGYT YDIETGQVSS PYTGRVYETK GKAPFYGFGF EHPYHYYPGY YHGYPHAFY