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SRK2B_ARATH
ID   SRK2B_ARATH             Reviewed;         361 AA.
AC   Q9C958; Q8L8U6;
DT   22-JUL-2008, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2001, sequence version 1.
DT   03-AUG-2022, entry version 145.
DE   RecName: Full=Serine/threonine-protein kinase SRK2B;
DE            EC=2.7.11.1;
DE   AltName: Full=OST1-kinase-like 6;
DE   AltName: Full=SNF1-related kinase 2.10;
DE            Short=SnRK2.10;
GN   Name=SRK2B; Synonyms=OSKL6, SNRK2.10; OrderedLocusNames=At1g60940;
GN   ORFNames=T7P1.8;
OS   Arabidopsis thaliana (Mouse-ear cress).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   rosids; malvids; Brassicales; Brassicaceae; Camelineae; Arabidopsis.
OX   NCBI_TaxID=3702;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=cv. Columbia;
RX   PubMed=11130712; DOI=10.1038/35048500;
RA   Theologis A., Ecker J.R., Palm C.J., Federspiel N.A., Kaul S., White O.,
RA   Alonso J., Altafi H., Araujo R., Bowman C.L., Brooks S.Y., Buehler E.,
RA   Chan A., Chao Q., Chen H., Cheuk R.F., Chin C.W., Chung M.K., Conn L.,
RA   Conway A.B., Conway A.R., Creasy T.H., Dewar K., Dunn P., Etgu P.,
RA   Feldblyum T.V., Feng J.-D., Fong B., Fujii C.Y., Gill J.E., Goldsmith A.D.,
RA   Haas B., Hansen N.F., Hughes B., Huizar L., Hunter J.L., Jenkins J.,
RA   Johnson-Hopson C., Khan S., Khaykin E., Kim C.J., Koo H.L.,
RA   Kremenetskaia I., Kurtz D.B., Kwan A., Lam B., Langin-Hooper S., Lee A.,
RA   Lee J.M., Lenz C.A., Li J.H., Li Y.-P., Lin X., Liu S.X., Liu Z.A.,
RA   Luros J.S., Maiti R., Marziali A., Militscher J., Miranda M., Nguyen M.,
RA   Nierman W.C., Osborne B.I., Pai G., Peterson J., Pham P.K., Rizzo M.,
RA   Rooney T., Rowley D., Sakano H., Salzberg S.L., Schwartz J.R., Shinn P.,
RA   Southwick A.M., Sun H., Tallon L.J., Tambunga G., Toriumi M.J., Town C.D.,
RA   Utterback T., Van Aken S., Vaysberg M., Vysotskaia V.S., Walker M., Wu D.,
RA   Yu G., Fraser C.M., Venter J.C., Davis R.W.;
RT   "Sequence and analysis of chromosome 1 of the plant Arabidopsis thaliana.";
RL   Nature 408:816-820(2000).
RN   [2]
RP   GENOME REANNOTATION.
RC   STRAIN=cv. Columbia;
RX   PubMed=27862469; DOI=10.1111/tpj.13415;
RA   Cheng C.Y., Krishnakumar V., Chan A.P., Thibaud-Nissen F., Schobel S.,
RA   Town C.D.;
RT   "Araport11: a complete reannotation of the Arabidopsis thaliana reference
RT   genome.";
RL   Plant J. 89:789-804(2017).
RN   [3]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
RC   STRAIN=cv. Columbia;
RX   PubMed=14593172; DOI=10.1126/science.1088305;
RA   Yamada K., Lim J., Dale J.M., Chen H., Shinn P., Palm C.J., Southwick A.M.,
RA   Wu H.C., Kim C.J., Nguyen M., Pham P.K., Cheuk R.F., Karlin-Newmann G.,
RA   Liu S.X., Lam B., Sakano H., Wu T., Yu G., Miranda M., Quach H.L.,
RA   Tripp M., Chang C.H., Lee J.M., Toriumi M.J., Chan M.M., Tang C.C.,
RA   Onodera C.S., Deng J.M., Akiyama K., Ansari Y., Arakawa T., Banh J.,
RA   Banno F., Bowser L., Brooks S.Y., Carninci P., Chao Q., Choy N., Enju A.,
RA   Goldsmith A.D., Gurjal M., Hansen N.F., Hayashizaki Y., Johnson-Hopson C.,
RA   Hsuan V.W., Iida K., Karnes M., Khan S., Koesema E., Ishida J., Jiang P.X.,
RA   Jones T., Kawai J., Kamiya A., Meyers C., Nakajima M., Narusaka M.,
RA   Seki M., Sakurai T., Satou M., Tamse R., Vaysberg M., Wallender E.K.,
RA   Wong C., Yamamura Y., Yuan S., Shinozaki K., Davis R.W., Theologis A.,
RA   Ecker J.R.;
RT   "Empirical analysis of transcriptional activity in the Arabidopsis
RT   genome.";
RL   Science 302:842-846(2003).
RN   [4]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
RA   Brover V.V., Troukhan M.E., Alexandrov N.A., Lu Y.-P., Flavell R.B.,
RA   Feldmann K.A.;
RT   "Full-length cDNA from Arabidopsis thaliana.";
RL   Submitted (MAR-2002) to the EMBL/GenBank/DDBJ databases.
RN   [5]
RP   GENE FAMILY, AND NOMENCLATURE.
RX   PubMed=12805596; DOI=10.1104/pp.102.011999;
RA   Hrabak E.M., Chan C.W.M., Gribskov M., Harper J.F., Choi J.H., Halford N.,
RA   Kudla J., Luan S., Nimmo H.G., Sussman M.R., Thomas M., Walker-Simmons K.,
RA   Zhu J.-K., Harmon A.C.;
RT   "The Arabidopsis CDPK-SnRK superfamily of protein kinases.";
RL   Plant Physiol. 132:666-680(2003).
RN   [6]
RP   TISSUE SPECIFICITY, AND INDUCTION.
RX   PubMed=15292193; DOI=10.1074/jbc.m405259200;
RA   Boudsocq M., Barbier-Brygoo H., Lauriere C.;
RT   "Identification of nine sucrose nonfermenting 1-related protein kinases 2
RT   activated by hyperosmotic and saline stresses in Arabidopsis thaliana.";
RL   J. Biol. Chem. 279:41758-41766(2004).
RN   [7]
RP   GENE FAMILY.
RX   PubMed=16365038; DOI=10.1074/jbc.m509820200;
RA   Yoshida R., Umezawa T., Mizoguchi T., Takahashi S., Takahashi F.,
RA   Shinozaki K.;
RT   "The regulatory domain of SRK2E/OST1/SnRK2.6 interacts with ABI1 and
RT   integrates abscisic acid (ABA) and osmotic stress signals controlling
RT   stomatal closure in Arabidopsis.";
RL   J. Biol. Chem. 281:5310-5318(2006).
RN   [8]
RP   PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-154, AND IDENTIFICATION BY
RP   MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
RC   STRAIN=cv. Columbia;
RX   PubMed=19245862; DOI=10.1016/j.jprot.2009.02.004;
RA   Jones A.M.E., MacLean D., Studholme D.J., Serna-Sanz A., Andreasson E.,
RA   Rathjen J.P., Peck S.C.;
RT   "Phosphoproteomic analysis of nuclei-enriched fractions from Arabidopsis
RT   thaliana.";
RL   J. Proteomics 72:439-451(2009).
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   -!- 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;
CC   -!- TISSUE SPECIFICITY: Expressed in seedlings.
CC       {ECO:0000269|PubMed:15292193}.
CC   -!- INDUCTION: By salt and osmotic stress (at protein level).
CC       {ECO:0000269|PubMed:15292193}.
CC   -!- SIMILARITY: Belongs to the protein kinase superfamily. Ser/Thr protein
CC       kinase family. {ECO:0000255|PROSITE-ProRule:PRU00159}.
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DR   EMBL; AC018908; AAG51649.1; -; Genomic_DNA.
DR   EMBL; CP002684; AEE33750.1; -; Genomic_DNA.
DR   EMBL; CP002684; AEE33751.1; -; Genomic_DNA.
DR   EMBL; AY072340; AAL61947.1; -; mRNA.
DR   EMBL; BT002546; AAO00906.1; -; mRNA.
DR   EMBL; AY088802; AAM67112.1; -; mRNA.
DR   PIR; H96634; H96634.
DR   RefSeq; NP_176290.1; NM_104774.6.
DR   RefSeq; NP_849834.1; NM_179503.3.
DR   AlphaFoldDB; Q9C958; -.
DR   SMR; Q9C958; -.
DR   BioGRID; 27609; 7.
DR   IntAct; Q9C958; 5.
DR   STRING; 3702.AT1G60940.1; -.
DR   iPTMnet; Q9C958; -.
DR   PaxDb; Q9C958; -.
DR   PRIDE; Q9C958; -.
DR   ProteomicsDB; 226729; -.
DR   EnsemblPlants; AT1G60940.1; AT1G60940.1; AT1G60940.
DR   EnsemblPlants; AT1G60940.2; AT1G60940.2; AT1G60940.
DR   GeneID; 842385; -.
DR   Gramene; AT1G60940.1; AT1G60940.1; AT1G60940.
DR   Gramene; AT1G60940.2; AT1G60940.2; AT1G60940.
DR   KEGG; ath:AT1G60940; -.
DR   Araport; AT1G60940; -.
DR   TAIR; locus:2206046; AT1G60940.
DR   eggNOG; KOG0583; Eukaryota.
DR   HOGENOM; CLU_000288_63_0_1; -.
DR   InParanoid; Q9C958; -.
DR   OMA; FCARGEL; -.
DR   OrthoDB; 816341at2759; -.
DR   PhylomeDB; Q9C958; -.
DR   PRO; PR:Q9C958; -.
DR   Proteomes; UP000006548; Chromosome 1.
DR   ExpressionAtlas; Q9C958; baseline and differential.
DR   Genevisible; Q9C958; AT.
DR   GO; GO:0005829; C:cytosol; IDA:TAIR.
DR   GO; GO:0005634; C:nucleus; HDA:TAIR.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR   GO; GO:0016301; F:kinase activity; IDA:TAIR.
DR   GO; GO:0070300; F:phosphatidic acid binding; IDA:TAIR.
DR   GO; GO:0004672; F:protein kinase activity; IDA:TAIR.
DR   GO; GO:0106310; F:protein serine kinase activity; IEA:RHEA.
DR   GO; GO:0004674; F:protein serine/threonine kinase activity; IBA:GO_Central.
DR   GO; GO:0035556; P:intracellular signal transduction; IBA:GO_Central.
DR   GO; GO:0048527; P:lateral root development; IMP:TAIR.
DR   GO; GO:0006468; P:protein phosphorylation; IBA:GO_Central.
DR   GO; GO:0006970; P:response to osmotic stress; IDA:TAIR.
DR   GO; GO:0009651; P:response to salt stress; IDA:TAIR.
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; PF00069; Pkinase; 1.
DR   SMART; SM00220; S_TKc; 1.
DR   SUPFAM; SSF56112; SSF56112; 1.
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   ATP-binding; Kinase; Nucleotide-binding; Phosphoprotein;
KW   Reference proteome; Serine/threonine-protein kinase; Transferase.
FT   CHAIN           1..361
FT                   /note="Serine/threonine-protein kinase SRK2B"
FT                   /id="PRO_0000345157"
FT   DOMAIN          4..260
FT                   /note="Protein kinase"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00159"
FT   REGION          311..361
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        321..344
FT                   /note="Acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   ACT_SITE        123
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00159,
FT                   ECO:0000255|PROSITE-ProRule:PRU10027"
FT   BINDING         10..18
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00159"
FT   BINDING         33
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00159"
FT   MOD_RES         154
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0007744|PubMed:19245862"
FT   CONFLICT        252
FT                   /note="G -> A (in Ref. 4; AAM67112)"
FT                   /evidence="ECO:0000305"
SQ   SEQUENCE   361 AA;  41040 MW;  6EB3E9FE08F701BB CRC64;
     MDKYELVKDI GAGNFGVARL MRVKNSKELV AMKYIERGPK IDENVAREII NHRSLRHPNI
     IRFKEVVLTP THIAIAMEYA AGGELFERIC SAGRFSEDEA RYFFQQLISG VSYCHAMQIC
     HRDLKLENTL LDGSPAPRLK ICDFGYSKSS LLHSMPKSTV GTPAYIAPEV LSRGEYDGKM
     ADVWSCGVTL YVMLVGAYPF EDQEDPKNFK KTIQRIMAVK YKIPDYVHIS QDCKHLLSRI
     FVTNSNKRIT IGDIKKHPWF LKNLPRELTE IAQAAYFRKE NPTFSLQSVE EIMKIVEEAK
     TPARVSRSIG AFGWGGGEDA EGKEEDAEEE VEEVEEEEDE EDEYDKTVKQ VHASMGEVRV
     S
 
 
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