ID   USP4_LOTGI              Reviewed;         161 AA.
AC   B3A0P9;
DT   25-JAN-2012, integrated into UniProtKB/Swiss-Prot.
DT   25-JAN-2012, sequence version 1.
DT   25-MAY-2022, entry version 17.
DE   RecName: Full=Uncharacterized shell protein 4;
DE            Short=LUSP-4;
DE   Flags: Precursor;
OS   Lottia gigantea (Giant owl limpet).
OC   Eukaryota; Metazoa; Spiralia; Lophotrochozoa; Mollusca; Gastropoda;
OC   Patellogastropoda; Lottioidea; Lottiidae; Lottia.
OX   NCBI_TaxID=225164;
RN   [1] {ECO:0000305}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA], AND IDENTIFICATION.
RC   TISSUE=Mantle {ECO:0000269|Ref.1};
RA   Richardson P., Lucas S., Rokhsar D., Wang M., Lindquist E.A.;
RT   "DOE Joint Genome Institute Lottia gigantea EST project.";
RL   Submitted (DEC-2007) to the EMBL/GenBank/DDBJ databases.
RN   [2]
RP   PROTEIN SEQUENCE OF 30-133 AND 140-156, SUBCELLULAR LOCATION, AND TISSUE
RP   SPECIFICITY.
RC   TISSUE=Shell;
RX   PubMed=23145877; DOI=10.1111/febs.12062;
RA   Marie B., Jackson D.J., Ramos-Silva P., Zanella-Cleon I., Guichard N.,
RA   Marin F.;
RT   "The shell-forming proteome of Lottia gigantea reveals both deep
RT   conservations and lineage-specific novelties.";
RL   FEBS J. 280:214-232(2013).
CC   -!- SUBCELLULAR LOCATION: Secreted {ECO:0000269|PubMed:23145877}.
CC   -!- TISSUE SPECIFICITY: Component of the acid-insoluble organic matrix of
CC       calcified layers of the shell (at protein level).
CC       {ECO:0000269|PubMed:23145877}.
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DR   EMBL; FC631073; -; NOT_ANNOTATED_CDS; mRNA.
DR   RefSeq; XP_009064671.1; XM_009066423.1.
DR   AlphaFoldDB; B3A0P9; -.
DR   EnsemblMetazoa; LotgiT236183; LotgiP236183; LotgiG236183.
DR   GeneID; 20250070; -.
DR   KEGG; lgi:LOTGIDRAFT_236183; -.
DR   CTD; 20250070; -.
DR   HOGENOM; CLU_1645650_0_0_1; -.
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..161
FT                   /note="Uncharacterized shell protein 4"
FT                   /evidence="ECO:0000255"
FT                   /id="PRO_0000415232"
SQ   SEQUENCE   161 AA;  18679 MW;  55A7683FA399396D CRC64;
     MKVSFSVTIL FSVFNGAFSE SLCSQMGGKC HSYYDVCWTR KYSYGHHLCT RYGEPPVCCF
     YDYFENDCIR RGGTCFDIRF SSCTNGRLVN DGCGGEYNYC CTPNHYRPYP YTQRSTYNGQ
     YFNSQAKSYP YNRAHLYHRH TSFNRKPSYG NTPASRTTYT G