ID   ACT2_MESFR              Reviewed;         376 AA.
AC   P69004; P02573; P10991;
DT   21-JUL-1986, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-2005, sequence version 1.
DT   25-MAY-2022, entry version 54.
DE   RecName: Full=Actin-15B;
DE   Flags: Precursor;
OS   Mesocentrotus franciscanus (Giant red sea urchin) (Strongylocentrotus
OS   franciscanus).
OC   Eukaryota; Metazoa; Echinodermata; Eleutherozoa; Echinozoa; Echinoidea;
OC   Euechinoidea; Echinacea; Camarodonta; Echinidea; Strongylocentrotidae;
OC   Mesocentrotus.
OX   NCBI_TaxID=1328066;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=2999411; DOI=10.1007/bf02101689;
RA   Foran D.R., Johnson P.J., Moore G.P.;
RT   "Evolution of two actin genes in the sea urchin Strongylocentrotus
RT   franciscanus.";
RL   J. Mol. Evol. 22:108-116(1985).
CC   -!- FUNCTION: Actins are highly conserved proteins that are involved in
CC       various types of cell motility and are ubiquitously expressed in all
CC       eukaryotic cells.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm. Cytoplasm, cytoskeleton.
CC   -!- DEVELOPMENTAL STAGE: Thought to be expressed early in embryogenesis.
CC   -!- SIMILARITY: Belongs to the actin family. {ECO:0000305}.
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DR   EMBL; X03076; CAA26878.1; -; Genomic_DNA.
DR   PIR; S09578; S09578.
DR   AlphaFoldDB; P69004; -.
DR   SMR; P69004; -.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005856; C:cytoskeleton; IEA:UniProtKB-SubCell.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR   InterPro; IPR004000; Actin.
DR   InterPro; IPR020902; Actin/actin-like_CS.
DR   InterPro; IPR004001; Actin_CS.
DR   InterPro; IPR043129; ATPase_NBD.
DR   PANTHER; PTHR11937; PTHR11937; 1.
DR   Pfam; PF00022; Actin; 1.
DR   PRINTS; PR00190; ACTIN.
DR   SMART; SM00268; ACTIN; 1.
DR   SUPFAM; SSF53067; SSF53067; 2.
DR   PROSITE; PS00406; ACTINS_1; 1.
DR   PROSITE; PS00432; ACTINS_2; 1.
DR   PROSITE; PS01132; ACTINS_ACT_LIKE; 1.
PE   2: Evidence at transcript level;
KW   Acetylation; ATP-binding; Cytoplasm; Cytoskeleton; Nucleotide-binding.
FT   PROPEP          1..2
FT                   /note="Removed in mature form"
FT                   /id="PRO_0000000720"
FT   CHAIN           3..376
FT                   /note="Actin-15B"
FT                   /id="PRO_0000000721"
FT   MOD_RES         3
FT                   /note="N-acetylaspartate"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   376 AA;  41799 MW;  7264B5F884F2741B CRC64;
     MCDDDVAALV IDNGSGMVKA GFAGDDAPRA VFPSIVGRPR HQGVMVGMGQ KDSYVGDEAQ
     SKRGILTLKY PIEHGIVTNW DDMEKIWHHT FYNELRVAPE EHPVLLTEAP LNPKANREKM
     TQIMFETFNS PAMYVAIQAV LSLYASGRTT GIVFDSGDGV SHTVPIYEGY ALPHAILRLD
     LAGRDLTDYL MKILTERGYS FTTTAEREIV RDIKEKLCYV ALDFEQEMQT AASSSSLEKS
     YELPDGQVIT IGNERFRAPE ALFQPAFLGM ESAGIHETCY NSIMKCDVDI RKDLYANTVL
     SGGSTMFPGI ADRMQKEITA LAPPTMKIKI IAPPERKYSV WIGGSILASL STFQQMWISK
     QEYDESGPSI VHRKCF