M2K8_ARATH
ID M2K8_ARATH Reviewed; 309 AA.
AC Q9M8J5;
DT 16-APR-2014, integrated into UniProtKB/Swiss-Prot.
DT 16-APR-2014, sequence version 2.
DT 03-AUG-2022, entry version 159.
DE RecName: Full=Mitogen-activated protein kinase kinase 8;
DE Short=AtMKK8;
DE Short=MAP kinase kinase 8;
DE EC=2.7.12.2;
GN Name=MKK8; OrderedLocusNames=At3g06230; ORFNames=F28L1.17;
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=11130713; DOI=10.1038/35048706;
RA Salanoubat M., Lemcke K., Rieger M., Ansorge W., Unseld M., Fartmann B.,
RA Valle G., Bloecker H., Perez-Alonso M., Obermaier B., Delseny M.,
RA Boutry M., Grivell L.A., Mache R., Puigdomenech P., De Simone V.,
RA Choisne N., Artiguenave F., Robert C., Brottier P., Wincker P.,
RA Cattolico L., Weissenbach J., Saurin W., Quetier F., Schaefer M.,
RA Mueller-Auer S., Gabel C., Fuchs M., Benes V., Wurmbach E., Drzonek H.,
RA Erfle H., Jordan N., Bangert S., Wiedelmann R., Kranz H., Voss H.,
RA Holland R., Brandt P., Nyakatura G., Vezzi A., D'Angelo M., Pallavicini A.,
RA Toppo S., Simionati B., Conrad A., Hornischer K., Kauer G., Loehnert T.-H.,
RA Nordsiek G., Reichelt J., Scharfe M., Schoen O., Bargues M., Terol J.,
RA Climent J., Navarro P., Collado C., Perez-Perez A., Ottenwaelder B.,
RA Duchemin D., Cooke R., Laudie M., Berger-Llauro C., Purnelle B., Masuy D.,
RA de Haan M., Maarse A.C., Alcaraz J.-P., Cottet A., Casacuberta E.,
RA Monfort A., Argiriou A., Flores M., Liguori R., Vitale D., Mannhaupt G.,
RA Haase D., Schoof H., Rudd S., Zaccaria P., Mewes H.-W., Mayer K.F.X.,
RA Kaul S., Town C.D., Koo H.L., Tallon L.J., Jenkins J., Rooney T., Rizzo M.,
RA Walts A., Utterback T., Fujii C.Y., Shea T.P., Creasy T.H., Haas B.,
RA Maiti R., Wu D., Peterson J., Van Aken S., Pai G., Militscher J.,
RA Sellers P., Gill J.E., Feldblyum T.V., Preuss D., Lin X., Nierman W.C.,
RA Salzberg S.L., White O., Venter J.C., Fraser C.M., Kaneko T., Nakamura Y.,
RA Sato S., Kato T., Asamizu E., Sasamoto S., Kimura T., Idesawa K.,
RA Kawashima K., Kishida Y., Kiyokawa C., Kohara M., Matsumoto M., Matsuno A.,
RA Muraki A., Nakayama S., Nakazaki N., Shinpo S., Takeuchi C., Wada T.,
RA Watanabe A., Yamada M., Yasuda M., Tabata S.;
RT "Sequence and analysis of chromosome 3 of the plant Arabidopsis thaliana.";
RL Nature 408:820-822(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 GENE FAMILY, AND NOMENCLATURE.
RX PubMed=12119167; DOI=10.1016/s1360-1385(02)02302-6;
RG MAPK group;
RT "Mitogen-activated protein kinase cascades in plants: a new nomenclature.";
RL Trends Plant Sci. 7:301-308(2002).
RN [4]
RP GENE FAMILY.
RX PubMed=16537113; DOI=10.1016/j.tplants.2006.02.007;
RA Hamel L.P., Nicole M.C., Sritubtim S., Morency M.J., Ellis M., Ehlting J.,
RA Beaudoin N., Barbazuk B., Klessig D., Lee J., Martin G., Mundy J.,
RA Ohashi Y., Scheel D., Sheen J., Xing T., Zhang S., Seguin A., Ellis B.E.;
RT "Ancient signals: comparative genomics of plant MAPK and MAPKK gene
RT families.";
RL Trends Plant Sci. 11:192-198(2006).
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=2.7.12.2;
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=2.7.12.2;
CC -!- CATALYTIC ACTIVITY:
CC Reaction=ATP + L-tyrosyl-[protein] = ADP + H(+) + O-phospho-L-tyrosyl-
CC [protein]; Xref=Rhea:RHEA:10596, Rhea:RHEA-COMP:10136, Rhea:RHEA-
CC COMP:10137, ChEBI:CHEBI:15378, ChEBI:CHEBI:30616, ChEBI:CHEBI:46858,
CC ChEBI:CHEBI:82620, ChEBI:CHEBI:456216; EC=2.7.12.2;
CC -!- PTM: Phosphorylation at Ser-195 and Ser-201 by MAP kinase kinase
CC kinases positively regulates kinase activity. {ECO:0000250}.
CC -!- SIMILARITY: Belongs to the protein kinase superfamily. STE Ser/Thr
CC protein kinase family. MAP kinase kinase subfamily. {ECO:0000305}.
CC -!- SEQUENCE CAUTION:
CC Sequence=AAF30316.1; Type=Erroneous termination; Note=Truncated C-terminus.; Evidence={ECO:0000305};
CC Sequence=AEE74363.1; Type=Erroneous termination; Note=Truncated C-terminus.; Evidence={ECO:0000305};
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DR EMBL; AC018907; AAF30316.1; ALT_TERM; Genomic_DNA.
DR EMBL; CP002686; AEE74363.1; ALT_TERM; Genomic_DNA.
DR RefSeq; NP_187274.1; NM_111498.1.
DR AlphaFoldDB; Q9M8J5; -.
DR SMR; Q9M8J5; -.
DR STRING; 3702.AT3G06230.1; -.
DR PaxDb; Q9M8J5; -.
DR PRIDE; Q9M8J5; -.
DR EnsemblPlants; AT3G06230.1; AT3G06230.1; AT3G06230.
DR GeneID; 819797; -.
DR Gramene; AT3G06230.1; AT3G06230.1; AT3G06230.
DR KEGG; ath:AT3G06230; -.
DR Araport; AT3G06230; -.
DR TAIR; locus:2082390; AT3G06230.
DR eggNOG; KOG0581; Eukaryota.
DR HOGENOM; CLU_000288_63_23_1; -.
DR InParanoid; Q9M8J5; -.
DR OrthoDB; 688282at2759; -.
DR PRO; PR:Q9M8J5; -.
DR Proteomes; UP000006548; Chromosome 3.
DR ExpressionAtlas; Q9M8J5; baseline and differential.
DR Genevisible; Q9M8J5; AT.
DR GO; GO:0005737; C:cytoplasm; IBA:GO_Central.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR GO; GO:0004708; F:MAP kinase kinase activity; TAS: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:0004713; F:protein tyrosine kinase activity; IEA:RHEA.
DR InterPro; IPR011009; Kinase-like_dom_sf.
DR InterPro; IPR000719; Prot_kinase_dom.
DR InterPro; IPR017441; Protein_kinase_ATP_BS.
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.
PE 3: Inferred from homology;
KW ATP-binding; Kinase; Nucleotide-binding; Phosphoprotein;
KW Reference proteome; Serine/threonine-protein kinase; Transferase.
FT CHAIN 1..309
FT /note="Mitogen-activated protein kinase kinase 8"
FT /id="PRO_0000428624"
FT DOMAIN 53..305
FT /note="Protein kinase"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00159"
FT ACT_SITE 167
FT /note="Proton acceptor"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00159"
FT BINDING 59..67
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00159"
FT BINDING 82
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00159"
FT MOD_RES 195
FT /note="Phosphoserine"
FT /evidence="ECO:0000250|UniProtKB:O80396"
FT MOD_RES 201
FT /note="Phosphoserine"
FT /evidence="ECO:0000250|UniProtKB:O80397"
FT MOD_RES 205
FT /note="Phosphothreonine"
FT /evidence="ECO:0000250|UniProtKB:O80397"
SQ SEQUENCE 309 AA; 34423 MW; CC0CAC1852A275CF CRC64;
MVMVRDNQFL NLKLSPIQAP TTIPPCRFPI IPATKVSATV SSCASNTFSV ANLDRISVLG
SGNGGTVFKV KDKTTSEIYA LKKVKENWDS TSLREIEILR MVNSPYVAKC HDIFQNPSGE
VSILMDYMDL GSLESLRGVT EKQLALMSRQ VLEGKNYLHE HKIVHRDIKP ANLLRSSKEE
VKIADFGVSK IVVRSLNKCN SFVGTFAYMS PERLDSEADG VTEEDKSNVY AGDIWSFGLT
MLEILVGYYP MLPDQAAIVC AVCFGEPPKA PEECSDDLKS FMDCCLRKKA SERWTASQLL
NHPFLLHQD
