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CDPK4_PLABA
ID   CDPK4_PLABA             Reviewed;         528 AA.
AC   P62345; A0A509AH59;
DT   05-JUL-2004, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 2.
DT   03-AUG-2022, entry version 106.
DE   RecName: Full=Calcium-dependent protein kinase 4 {ECO:0000303|PubMed:15137943};
DE            EC=2.7.11.1 {ECO:0000269|PubMed:15137943};
DE   AltName: Full=PbCDPK4 {ECO:0000303|PubMed:27425827};
GN   Name=CDPK4 {ECO:0000303|PubMed:15137943}; Synonyms=CPK4 {ECO:0000305};
GN   ORFNames=PBANKA_0615200 {ECO:0000312|EMBL:VUC54827.1};
OS   Plasmodium berghei (strain Anka).
OC   Eukaryota; Sar; Alveolata; Apicomplexa; Aconoidasida; Haemosporida;
OC   Plasmodiidae; Plasmodium; Plasmodium (Vinckeia).
OX   NCBI_TaxID=5823 {ECO:0000312|Proteomes:UP000074855};
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA], FUNCTION, CATALYTIC ACTIVITY, ACTIVITY
RP   REGULATION, DEVELOPMENTAL STAGE, AND AUTOPHOSPHORYLATION.
RX   PubMed=15137943; DOI=10.1016/s0092-8674(04)00449-0;
RA   Billker O., Dechamps S., Tewari R., Wenig G., Franke-Fayard B.,
RA   Brinkmann V.;
RT   "Calcium and a calcium-dependent protein kinase regulate gamete formation
RT   and mosquito transmission in a malaria parasite.";
RL   Cell 117:503-514(2004).
RN   [2] {ECO:0000312|Proteomes:UP000074855}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ANKA {ECO:0000312|Proteomes:UP000074855};
RX   PubMed=25359557; DOI=10.1186/s12915-014-0086-0;
RA   Otto T.D., Bohme U., Jackson A.P., Hunt M., Franke-Fayard B.,
RA   Hoeijmakers W.A., Religa A.A., Robertson L., Sanders M., Ogun S.A.,
RA   Cunningham D., Erhart A., Billker O., Khan S.M., Stunnenberg H.G.,
RA   Langhorne J., Holder A.A., Waters A.P., Newbold C.I., Pain A., Berriman M.,
RA   Janse C.J.;
RT   "A comprehensive evaluation of rodent malaria parasite genomes and gene
RT   expression.";
RL   BMC Biol. 12:86-86(2014).
RN   [3]
RP   FUNCTION, DEVELOPMENTAL STAGE, AND DISRUPTION PHENOTYPE.
RX   PubMed=27425827; DOI=10.1111/mmi.13466;
RA   Govindasamy K., Jebiwott S., Jaijyan D.K., Davidow A., Ojo K.K.,
RA   Van Voorhis W.C., Brochet M., Billker O., Bhanot P.;
RT   "Invasion of hepatocytes by Plasmodium sporozoites requires cGMP-dependent
RT   protein kinase and calcium dependent protein kinase 4.";
RL   Mol. Microbiol. 102:349-363(2016).
RN   [4]
RP   FUNCTION, INTERACTION WITH THE MCM COMPLEX, SUBCELLULAR LOCATION,
RP   DEVELOPMENTAL STAGE, DISRUPTION PHENOTYPE, MYRISTOYLATION AT GLY-2, AND
RP   MUTAGENESIS OF GLY-2; MET-57 AND SER-147.
RX   PubMed=28481199; DOI=10.7554/elife.26524;
RA   Fang H., Klages N., Baechler B., Hillner E., Yu L., Pardo M., Choudhary J.,
RA   Brochet M.;
RT   "Multiple short windows of calcium-dependent protein kinase 4 activity
RT   coordinate distinct cell cycle events during Plasmodium gametogenesis.";
RL   Elife 6:0-0(2017).
RN   [5]
RP   FUNCTION, SUBCELLULAR LOCATION, AND DISRUPTION PHENOTYPE.
RX   PubMed=30315162; DOI=10.1038/s41467-018-06733-w;
RA   Fang H., Gomes A.R., Klages N., Pino P., Maco B., Walker E.M.,
RA   Zenonos Z.A., Angrisano F., Baum J., Doerig C., Baker D.A., Billker O.,
RA   Brochet M.;
RT   "Epistasis studies reveal redundancy among calcium-dependent protein
RT   kinases in motility and invasion of malaria parasites.";
RL   Nat. Commun. 9:4248-4248(2018).
RN   [6]
RP   FUNCTION, AND MUTAGENESIS OF SER-147.
RX   PubMed=32866196; DOI=10.1371/journal.ppat.1008131;
RA   Govindasamy K., Bhanot P.;
RT   "Overlapping and distinct roles of CDPK family members in the pre-
RT   erythrocytic stages of the rodent malaria parasite, Plasmodium berghei.";
RL   PLoS Pathog. 16:e1008131-e1008131(2020).
CC   -!- FUNCTION: Calcium-dependent protein kinase which acts as a sensor and
CC       effector of intracellular Ca(2+) levels probably in part downstream of
CC       cGMP-activated PKG kinase (PubMed:15137943). Plays a central role in
CC       the host erythrocytes and hepatocytes infection cycles, sexual
CC       reproduction and mosquito transmission of the parasite
CC       (PubMed:15137943, PubMed:27425827, PubMed:28481199, PubMed:30315162,
CC       PubMed:32866196). During the liver stage, involved in sporozoite
CC       motility and thus in sporozoite invasion of host hepatocytes, probably
CC       together with CDPK1 and CDPK5 (PubMed:27425827, PubMed:32866196).
CC       Involved in merosome egress from host hepatocytes, probably together
CC       with CDPK5 (PubMed:32866196). During the asexual blood stage, involved
CC       in merozoite invasion of host erythrocytes and motility by stabilizing
CC       the inner membrane complex, a structure below the plasma membrane which
CC       acts as an anchor for the glidosome, an acto-myosin motor
CC       (PubMed:30315162). Required for cell cycle progression in the male
CC       gametocyte (PubMed:15137943, PubMed:28481199, PubMed:30315162). During
CC       male gametogenesis in the mosquito gut, required to initiate the first
CC       round of DNA replication, probably by facilitating the assembly of the
CC       pre-replicative MCM complex, to assemble the first mitotic spindle and,
CC       at the end of gametogenesis, to initiate axoneme motility, cytokinesis
CC       and subsequent exflagellation (PubMed:28481199). For each of these
CC       steps, may phosphorylate SOC1, SOC2 and SOC3, respectively
CC       (PubMed:28481199). Together with CDPK1, regulates ookinete gliding in
CC       the mosquito host midgut (PubMed:30315162).
CC       {ECO:0000269|PubMed:15137943, ECO:0000269|PubMed:27425827,
CC       ECO:0000269|PubMed:28481199, ECO:0000269|PubMed:30315162,
CC       ECO:0000269|PubMed:32866196}.
CC   -!- FUNCTION: [Isoform 1]: During male gametogenesis in the mosquito gut,
CC       required to initiate the first round of DNA replication, probably by
CC       facilitating the assembly of the pre-replicative MCM complex, and to
CC       assemble the first mitotic spindle. {ECO:0000269|PubMed:28481199}.
CC   -!- FUNCTION: [Isoform 2]: At the end of male gametogenesis in the mosquito
CC       gut, required to initiate axoneme motility, cytokinesis and subsequent
CC       exflagellation. {ECO:0000269|PubMed:28481199}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + L-seryl-[protein] = ADP + H(+) + O-phospho-L-seryl-
CC         [protein]; Xref=Rhea:RHEA:17989, Rhea:RHEA-COMP:9863, Rhea:RHEA-
CC         COMP:11604, ChEBI:CHEBI:15378, ChEBI:CHEBI:29999, ChEBI:CHEBI:30616,
CC         ChEBI:CHEBI:83421, ChEBI:CHEBI:456216; EC=2.7.11.1;
CC         Evidence={ECO:0000269|PubMed:15137943};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + L-threonyl-[protein] = ADP + H(+) + O-phospho-L-
CC         threonyl-[protein]; Xref=Rhea:RHEA:46608, Rhea:RHEA-COMP:11060,
CC         Rhea:RHEA-COMP:11605, ChEBI:CHEBI:15378, ChEBI:CHEBI:30013,
CC         ChEBI:CHEBI:30616, ChEBI:CHEBI:61977, ChEBI:CHEBI:456216;
CC         EC=2.7.11.1; Evidence={ECO:0000269|PubMed:15137943};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000250|UniProtKB:Q8IBS5};
CC   -!- ACTIVITY REGULATION: Activated by calcium (PubMed:15137943). Upon
CC       calcium binding to the EF-hand domains, the C-terminus of the junction
CC       domain (J domain) undergoes a conformational change which results in
CC       the dissociation of the pseudo-substrate inhibitory motif from the
CC       catalytic domain (By similarity). This, in turn, may facilitate the
CC       autophosphorylation of the activation loop at Thr-234, which leads to
CC       the kinase activation (By similarity). Intracellular calcium increase
CC       is triggered by xanthurenic acid (XA), a small mosquito molecule that
CC       induces the differentiation of specialized transmission stages, the
CC       gametocytes, into male and female gametes (Probable). Activated by a
CC       decrease in temperature (20 degrees Celsius) and an increase in pH
CC       (7.6) occurring when the parasite is ingested by in the mosquito (By
CC       similarity). {ECO:0000250|UniProtKB:Q8IBS5,
CC       ECO:0000269|PubMed:15137943, ECO:0000305|PubMed:15137943}.
CC   -!- SUBUNIT: May interact with the pre-replication MCM complex prior male
CC       gametogenesis activation. {ECO:0000269|PubMed:28481199}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000269|PubMed:30315162}.
CC   -!- SUBCELLULAR LOCATION: [Isoform 1]: Cytoplasm
CC       {ECO:0000269|PubMed:28481199}. Membrane {ECO:0000269|PubMed:28481199};
CC       Lipid-anchor {ECO:0000269|PubMed:28481199}. Chromosome
CC       {ECO:0000269|PubMed:28481199}. Note=A small fraction of the protein
CC       localizes to membranes and to chromatin. {ECO:0000269|PubMed:28481199}.
CC   -!- ALTERNATIVE PRODUCTS:
CC       Event=Alternative initiation; Named isoforms=2;
CC       Name=1; Synonyms=large {ECO:0000303|PubMed:28481199};
CC         IsoId=P62345-1; Sequence=Displayed;
CC       Name=2; Synonyms=short {ECO:0000303|PubMed:28481199};
CC         IsoId=P62345-2; Sequence=VSP_061065;
CC   -!- DEVELOPMENTAL STAGE: Expressed in sporozoites and in liver stages (at
CC       protein level) (PubMed:27425827). Highly expressed in male gametocytes
CC       and exflagellated gametes, and to a lesser extent, in female
CC       gametocytes (at protein level) (PubMed:15137943, PubMed:28481199).
CC       Expressed in ookinetes (PubMed:15137943). Weakly or not expressed in
CC       asexual parasite stages (PubMed:15137943).
CC       {ECO:0000269|PubMed:15137943, ECO:0000269|PubMed:27425827,
CC       ECO:0000269|PubMed:28481199}.
CC   -!- DOMAIN: The junction domain (J domain) is composed of 2 motifs that
CC       maintain the kinase inactive. The N-terminal autoinhibitory motif acts
CC       as a pseudosubstrate inhibiting the catalytic domain while the C-
CC       terminal motif binds the EF-hand domains.
CC       {ECO:0000250|UniProtKB:Q8IBS5}.
CC   -!- PTM: [Isoform 1]: Myristoylated; myristoylation may target it to
CC       different subcellular compartments (PubMed:28481199). During male
CC       gametogenesis, myristoylation is required to initiate DNA replication
CC       but not for mitotic spindle assembly or axoneme activation
CC       (PubMed:28481199). {ECO:0000269|PubMed:28481199}.
CC   -!- PTM: [Isoform 1]: Not palmitoylated. {ECO:0000269|PubMed:28481199}.
CC   -!- PTM: May be autophosphorylated on Thr-234 in vitro.
CC       {ECO:0000250|UniProtKB:Q8IBS5}.
CC   -!- DISRUPTION PHENOTYPE: Host hepatocyte invasion is reduced in knockout
CC       sporozoites; the few intracellular parasites develop and egress
CC       normally (PubMed:27425827). In infected mice, formation of schizonts
CC       and merozoite invasion of host erythrocytes are normal
CC       (PubMed:30315162). In a PKG T622Q mutant background, reduces ring
CC       formation and thus the number of schizonts (PubMed:30315162). In
CC       addition, merozoites have a discontinuous inner membrane complex
CC       (PubMed:30315162). Impaired exflagellation of male gametocytes which
CC       fails to assemble the mitotic spindle and are arrested at the first
CC       round of DNA replication (PubMed:28481199). In a PKG T622Q mutant
CC       background, male gametocytes fail to exflagellate in the mosquito
CC       vector (PubMed:30315162). {ECO:0000269|PubMed:27425827,
CC       ECO:0000269|PubMed:28481199, ECO:0000269|PubMed:30315162}.
CC   -!- SIMILARITY: Belongs to the protein kinase superfamily. Ser/Thr protein
CC       kinase family. CDPK subfamily. {ECO:0000255|PROSITE-ProRule:PRU00159}.
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DR   EMBL; AY555067; AAS99650.1; -; mRNA.
DR   EMBL; LK023121; VUC54827.1; -; Genomic_DNA.
DR   RefSeq; XP_676632.1; XM_671540.1.
DR   AlphaFoldDB; P62345; -.
DR   SMR; P62345; -.
DR   STRING; 5823.A0A509AH59; -.
DR   VEuPathDB; PlasmoDB:PBANKA_0615200; -.
DR   eggNOG; KOG0032; Eukaryota.
DR   HOGENOM; CLU_000288_37_4_1; -.
DR   OMA; LEHEWIR; -.
DR   Proteomes; UP000074855; Chromosome 6.
DR   GO; GO:0005694; C:chromosome; IEA:UniProtKB-SubCell.
DR   GO; GO:0005737; C:cytoplasm; IDA:UniProtKB.
DR   GO; GO:0031224; C:intrinsic component of membrane; IDA:UniProtKB.
DR   GO; GO:0005634; C:nucleus; IDA:UniProtKB.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR   GO; GO:0005509; F:calcium ion binding; IEA:InterPro.
DR   GO; GO:1904931; F:MCM complex binding; IDA:UniProtKB.
DR   GO; GO:0106310; F:protein serine kinase activity; IEA:RHEA.
DR   GO; GO:0004674; F:protein serine/threonine kinase activity; IEA:UniProtKB-KW.
DR   GO; GO:0030154; P:cell differentiation; IEA:UniProtKB-KW.
DR   GO; GO:0048232; P:male gamete generation; IMP:UniProtKB.
DR   GO; GO:0140530; P:MCM complex loading; IMP:UniProtKB.
DR   GO; GO:2000147; P:positive regulation of cell motility; IMP:UniProtKB.
DR   GO; GO:0003353; P:positive regulation of cilium movement; IMP:UniProtKB.
DR   GO; GO:0032298; P:positive regulation of DNA-templated DNA replication initiation; IMP:UniProtKB.
DR   GO; GO:0006468; P:protein phosphorylation; IEA:InterPro.
DR   GO; GO:1901673; P:regulation of mitotic spindle assembly; IMP:UniProtKB.
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   InterPro; IPR011009; Kinase-like_dom_sf.
DR   InterPro; IPR000719; Prot_kinase_dom.
DR   InterPro; IPR017441; Protein_kinase_ATP_BS.
DR   InterPro; IPR008271; Ser/Thr_kinase_AS.
DR   Pfam; PF13499; EF-hand_7; 2.
DR   Pfam; PF00069; Pkinase; 1.
DR   SMART; SM00054; EFh; 4.
DR   SMART; SM00220; S_TKc; 1.
DR   SUPFAM; SSF47473; SSF47473; 1.
DR   SUPFAM; SSF56112; SSF56112; 1.
DR   PROSITE; PS00018; EF_HAND_1; 4.
DR   PROSITE; PS50222; EF_HAND_2; 4.
DR   PROSITE; PS00107; PROTEIN_KINASE_ATP; 1.
DR   PROSITE; PS50011; PROTEIN_KINASE_DOM; 1.
DR   PROSITE; PS00108; PROTEIN_KINASE_ST; 1.
PE   1: Evidence at protein level;
KW   Alternative initiation; ATP-binding; Calcium; Chromosome; Cytoplasm;
KW   Developmental protein; Differentiation; Kinase; Lipoprotein; Magnesium;
KW   Membrane; Metal-binding; Myristate; Nucleotide-binding; Phosphoprotein;
KW   Reference proteome; Repeat; Serine/threonine-protein kinase; Transferase.
FT   INIT_MET        1
FT                   /note="Removed"
FT                   /evidence="ECO:0000305|PubMed:28481199"
FT   CHAIN           2..528
FT                   /note="Calcium-dependent protein kinase 4"
FT                   /id="PRO_0000085841"
FT   DOMAIN          70..328
FT                   /note="Protein kinase"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00159"
FT   DOMAIN          376..411
FT                   /note="EF-hand 1"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT   DOMAIN          423..458
FT                   /note="EF-hand 2"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT   DOMAIN          459..494
FT                   /note="EF-hand 3"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT   DOMAIN          498..528
FT                   /note="EF-hand 4"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT   REGION          1..36
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   REGION          350..386
FT                   /note="J domain"
FT                   /evidence="ECO:0000250|UniProtKB:Q8IBS5"
FT   MOTIF           350..358
FT                   /note="J domain autoinhibitory motif"
FT                   /evidence="ECO:0000250|UniProtKB:Q8IBS5"
FT   MOTIF           359..368
FT                   /note="J domain EF-hand interaction motif"
FT                   /evidence="ECO:0000250|UniProtKB:Q8IBS5"
FT   COMPBIAS        1..34
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   ACT_SITE        193
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00159,
FT                   ECO:0000255|PROSITE-ProRule:PRU10027"
FT   BINDING         76..84
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00159"
FT   BINDING         99
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00159"
FT   BINDING         389
FT                   /ligand="Ca(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29108"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT   BINDING         391
FT                   /ligand="Ca(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29108"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT   BINDING         393
FT                   /ligand="Ca(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29108"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT   BINDING         395
FT                   /ligand="Ca(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29108"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT   BINDING         400
FT                   /ligand="Ca(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29108"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT   BINDING         436
FT                   /ligand="Ca(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29108"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT   BINDING         438
FT                   /ligand="Ca(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29108"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT   BINDING         440
FT                   /ligand="Ca(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29108"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT   BINDING         442
FT                   /ligand="Ca(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29108"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT   BINDING         447
FT                   /ligand="Ca(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29108"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT   BINDING         472
FT                   /ligand="Ca(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29108"
FT                   /ligand_label="3"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT   BINDING         474
FT                   /ligand="Ca(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29108"
FT                   /ligand_label="3"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT   BINDING         476
FT                   /ligand="Ca(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29108"
FT                   /ligand_label="3"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT   BINDING         478
FT                   /ligand="Ca(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29108"
FT                   /ligand_label="3"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT   BINDING         483
FT                   /ligand="Ca(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29108"
FT                   /ligand_label="3"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT   BINDING         506
FT                   /ligand="Ca(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29108"
FT                   /ligand_label="4"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT   BINDING         508
FT                   /ligand="Ca(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29108"
FT                   /ligand_label="4"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT   BINDING         510
FT                   /ligand="Ca(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29108"
FT                   /ligand_label="4"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT   BINDING         512
FT                   /ligand="Ca(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29108"
FT                   /ligand_label="4"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT   BINDING         517
FT                   /ligand="Ca(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29108"
FT                   /ligand_label="4"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00448"
FT   LIPID           2
FT                   /note="N-myristoyl glycine"
FT                   /evidence="ECO:0000269|PubMed:28481199"
FT   VAR_SEQ         1..56
FT                   /note="Missing (in isoform 2)"
FT                   /evidence="ECO:0000305"
FT                   /id="VSP_061065"
FT   MUTAGEN         2
FT                   /note="G->A: Impaired exflagellation of male gametocytes
FT                   which are arrested at the first round of DNA replication.
FT                   Assembly of the mitotic spindle is normal. No effect on
FT                   CDPK4 localization; however, a minor CDPK4 population fails
FT                   to localize to the plasma membrane and to chromatin."
FT                   /evidence="ECO:0000269|PubMed:28481199"
FT   MUTAGEN         57
FT                   /note="M->A: Loss of the short isoform. In male
FT                   gametocytes, DNA replication and axoneme assembly are
FT                   normal, but exflagellation is severely reduced."
FT                   /evidence="ECO:0000269|PubMed:28481199"
FT   MUTAGEN         147
FT                   /note="S->M: No defect in male gametogenesis. No defect in
FT                   sporozoite infection of host hepatocytes. Severe reduction
FT                   in sensitivity to compound 1294 inhibition."
FT                   /evidence="ECO:0000269|PubMed:28481199,
FT                   ECO:0000269|PubMed:32866196"
SQ   SEQUENCE   528 AA;  60590 MW;  AC7E91D4316389C6 CRC64;
     MGQEMSTQSD MQNENQKGNK RNLKGSQGKN GLKERSTSIS KEIVKNSFNN SKLRPGMFIQ
     NSNVVFNEQY KGIKILGKGS FGEVILSKDK HTGHEYAIKV ISKKHVKRKT DKQSLLREVE
     LLKMLDHINI MKLYEFFEDN NYYYLVSDVY SGGELFDEII SRKRFYEVDA ARIIKQVLSG
     ITYMHKNNVV HRDLKPENIL LETKNKEDMI IKIIDFGLST HFEYSKKMKD KIGTAYYIAP
     DVLHGTYDEK CDIWSCGVIL YILLSGCPPF NGSNEYDILK KVETGKYTFD LPQFKKISDK
     AKDLIKKMLM YTSAVRISAR DALEHEWIRL MTSKDNVNID IPSLELSITN IKQFQSTQKL
     AQAALLYMGS KLTTIDETKE LTKIFKKMDK NGDGQLDRNE LIIGYKELLK LKGDDTTDLD
     NAAIEVEVDQ ILSSIDLDQN GYIEYSEFLT VAIDRKLLLS TERLEKAFKL FDKDGSGKIS
     ANELAQLFGL GDVSSDCWKT VLKEVDQNND GEIDFKEFRD MLIKLCNY
 
 
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