SP15_HEMPU
ID SP15_HEMPU Reviewed; 150 AA.
AC P21788;
DT 01-MAY-1991, integrated into UniProtKB/Swiss-Prot.
DT 01-MAY-1991, sequence version 1.
DT 03-AUG-2022, entry version 94.
DE RecName: Full=15 kDa calcium-binding protein;
DE Short=CABP;
OS Hemicentrotus pulcherrimus (Sea urchin) (Strongylocentrotus pulcherrimus).
OC Eukaryota; Metazoa; Echinodermata; Eleutherozoa; Echinozoa; Echinoidea;
OC Euechinoidea; Echinacea; Camarodonta; Echinidea; Strongylocentrotidae;
OC Hemicentrotus.
OX NCBI_TaxID=7650;
RN [1]
RP PROTEIN SEQUENCE, AND ACETYLATION AT ALA-1.
RC TISSUE=Egg;
RX PubMed=3072092; DOI=10.1247/csf.13.525;
RA Hosoya H., Takagi T., Mabuchi I., Iwaasa H., Sakai H., Hiramoto Y.,
RA Konishi K.;
RT "The amino acid sequence, immunofluorescence and microinjection studies on
RT the 15 kDa calcium-binding protein from sea urchin egg.";
RL Cell Struct. Funct. 13:525-532(1988).
CC -!- FUNCTION: May play an important role in mitosis of sea urchin egg. May
CC function as a Ca(2+)-dependent intracellular modulator of microtubule
CC assembly.
CC -!- SUBCELLULAR LOCATION: Nucleus. Cytoplasm, cytoskeleton, spindle.
CC Note=Nuclei of fertilized eggs and mitotic apparatus of dividing eggs.
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DR PIR; JS0024; JS0024.
DR AlphaFoldDB; P21788; -.
DR SMR; P21788; -.
DR iPTMnet; P21788; -.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-KW.
DR GO; GO:0005634; C:nucleus; IEA:UniProtKB-SubCell.
DR GO; GO:0005819; C:spindle; IEA:UniProtKB-SubCell.
DR GO; GO:0005509; F:calcium ion binding; IEA:InterPro.
DR CDD; cd00051; EFh; 2.
DR InterPro; IPR011992; EF-hand-dom_pair.
DR InterPro; IPR018247; EF_Hand_1_Ca_BS.
DR InterPro; IPR002048; EF_hand_dom.
DR Pfam; PF13499; EF-hand_7; 2.
DR SMART; SM00054; EFh; 4.
DR SUPFAM; SSF47473; SSF47473; 1.
DR PROSITE; PS00018; EF_HAND_1; 3.
DR PROSITE; PS50222; EF_HAND_2; 4.
PE 1: Evidence at protein level;
KW Acetylation; Calcium; Cytoplasm; Cytoskeleton; Direct protein sequencing;
KW Metal-binding; Nucleus; Repeat.
FT CHAIN 1..150
FT /note="15 kDa calcium-binding protein"
FT /id="PRO_0000073641"
FT DOMAIN 7..42
FT /note="EF-hand 1"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT DOMAIN 43..78
FT /note="EF-hand 2"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT DOMAIN 81..116
FT /note="EF-hand 3"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT DOMAIN 118..150
FT /note="EF-hand 4"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT BINDING 22
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="1"
FT /evidence="ECO:0000305"
FT BINDING 24
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="1"
FT /evidence="ECO:0000305"
FT BINDING 26
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="1"
FT /evidence="ECO:0000305"
FT BINDING 28
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="1"
FT /evidence="ECO:0000305"
FT BINDING 56
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="2"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT BINDING 58
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="2"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT BINDING 60
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="2"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT BINDING 62
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="2"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT BINDING 67
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="2"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT BINDING 94
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="3"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT BINDING 96
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="3"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT BINDING 98
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="3"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT BINDING 105
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="3"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT BINDING 131
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="4"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT BINDING 133
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="4"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT BINDING 135
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="4"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT BINDING 137
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="4"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT BINDING 142
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="4"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT MOD_RES 1
FT /note="N-acetylalanine"
FT /evidence="ECO:0000303|PubMed:3072092"
SQ SEQUENCE 150 AA; 16697 MW; CDDF76212ED2638A CRC64;
AVQLVFTDAE KAEFKFGFKS KDGDNSITAK ELGEFLESAG KSFSEEQLAQ MISDVDTDKS
GTIEFSEMLM GIAEKMMKWT WKKSHFQKAF DDMDKDGNGV LSPEELHLAM STRIEPPMSK
EAIDAIIAKA DCDGDGKINR KEFVKLIKSS
