ID   USP8_PINMG              Reviewed;          79 AA.
AC   H2A0N7;
DT   13-JUN-2012, integrated into UniProtKB/Swiss-Prot.
DT   21-MAR-2012, sequence version 1.
DT   03-AUG-2022, entry version 17.
DE   RecName: Full=Uncharacterized shell protein 8;
DE   AltName: Full=Nacre uncharacterized shell protein 6;
DE            Short=NUSP6;
DE   Flags: Precursor;
OS   Margaritifera margaritifera (Freshwater pearl mussel).
OC   Eukaryota; Metazoa; Spiralia; Lophotrochozoa; Mollusca; Bivalvia;
OC   Autobranchia; Pteriomorphia; Pterioida; Pterioidea; Pteriidae; Pinctada.
OX   NCBI_TaxID=102329;
RN   [1] {ECO:0000305}
RP   NUCLEOTIDE SEQUENCE [MRNA], AND IDENTIFICATION.
RC   TISSUE=Mantle;
RX   PubMed=21040589; DOI=10.1186/1471-2164-11-613;
RA   Joubert C., Piquemal D., Marie B., Manchon L., Pierrat F.,
RA   Zanella-Cleon I., Cochennec-Laureau N., Gueguen Y., Montagnani C.;
RT   "Transcriptome and proteome analysis of Pinctada margaritifera calcifying
RT   mantle and shell: focus on biomineralization.";
RL   BMC Genomics 11:613-613(2010).
RN   [2]
RP   PROTEIN SEQUENCE OF 32-52, SUBCELLULAR LOCATION, AND TISSUE SPECIFICITY.
RC   TISSUE=Shell;
RX   PubMed=23213212; DOI=10.1073/pnas.1210552109;
RA   Marie B., Joubert C., Tayale A., Zanella-Cleon I., Belliard C.,
RA   Piquemal D., Cochennec-Laureau N., Marin F., Gueguen Y., Montagnani C.;
RT   "Different secretory repertoires control the biomineralization processes of
RT   prism and nacre deposition of the pearl oyster shell.";
RL   Proc. Natl. Acad. Sci. U.S.A. 109:20986-20991(2012).
CC   -!- SUBCELLULAR LOCATION: Secreted {ECO:0000269|PubMed:23213212}.
CC   -!- TISSUE SPECIFICITY: Nacreous layer of shell (at protein level).
CC       Expressed primarily in the mantle with highest level in the mantle
CC       pallium and lower level in the mantle edge.
CC       {ECO:0000269|PubMed:23213212}.
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DR   EMBL; HE610404; CCE46178.1; -; mRNA.
DR   AlphaFoldDB; H2A0N7; -.
DR   PRIDE; H2A0N7; -.
DR   GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
PE   1: Evidence at protein level;
KW   Direct protein sequencing; Secreted; Signal.
FT   SIGNAL          1..19
FT                   /evidence="ECO:0000255"
FT   CHAIN           20..79
FT                   /note="Uncharacterized shell protein 8"
FT                   /evidence="ECO:0000255"
FT                   /id="PRO_0000417928"
FT   REGION          52..71
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   79 AA;  8767 MW;  A20AE95F884220FE CRC64;
     MKYVALAFVL SLVILQISAQ GGGLTSLLLQ KEYMPDNWFD YKLAQMLLGG TRGRKSRTQS
     GRNQGKSTSD SWLWLALAS