ID   HCY2_CARMA              Reviewed;          25 AA.
AC   P83177;
DT   06-DEC-2002, integrated into UniProtKB/Swiss-Prot.
DT   01-DEC-2001, sequence version 1.
DT   11-DEC-2019, entry version 36.
DE   RecName: Full=Hemocyanin subunit 2;
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 {ECO:0000305};
RN   [1] {ECO:0000305}
RP   PROTEIN SEQUENCE.
RC   TISSUE=Hemolymph;
RX   PubMed=2620501; DOI=10.1016/0305-0491(89)90200-9;
RA   Neuteboom B., Sierdsema S.J., Beintema J.J.;
RT   "The relationship between N-terminal sequences and immunological
RT   characterization of crustacean hemocyanins.";
RL   Comp. Biochem. Physiol. 94B:587-592(1989).
CC   -!- FUNCTION: Hemocyanins are copper-containing oxygen carriers occurring
CC       freely dissolved in the hemolymph of many mollusks and arthropods.
CC       {ECO:0000269|PubMed:2620501}.
CC   -!- SUBCELLULAR LOCATION: Secreted, extracellular space.
CC   -!- TISSUE SPECIFICITY: Hemolymph.
CC   -!- SIMILARITY: Belongs to the tyrosinase family. Hemocyanin subfamily.
CC       {ECO:0000305}.
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DR   PIR; D60529; D60529.
DR   GO; GO:0005615; C:extracellular space; IEA:UniProtKB-SubCell.
DR   GO; GO:0005344; F:oxygen carrier activity; IDA:UniProtKB.
DR   GO; GO:0015671; P:oxygen transport; TAS:UniProtKB.
PE   1: Evidence at protein level;
KW   Copper; Direct protein sequencing; Oxygen transport; Secreted; Transport.
FT   CHAIN           1..>25
FT                   /note="Hemocyanin subunit 2"
FT                   /id="PRO_0000204258"
FT   UNSURE          2
FT                   /evidence="ECO:0000269|PubMed:2620501"
FT   NON_TER         25
FT                   /evidence="ECO:0000303|PubMed:2620501"
SQ   SEQUENCE   25 AA;  2969 MW;  70CB9063A01C4B71 CRC64;
     TCLAHKQQAV NRLLYRIYSP IXXXF