ID M3KSL_DROME Reviewed; 1161 AA. AC Q95UN8; Q8MRK7; Q95VF6; Q9W3I3; DT 19-JUL-2005, integrated into UniProtKB/Swiss-Prot. DT 01-DEC-2001, sequence version 1. DT 27-MAR-2024, entry version 165. DE RecName: Full=Mitogen-activated protein kinase kinase kinase; DE EC=2.7.11.25; DE AltName: Full=Mixed lineage kinase; DE AltName: Full=Protein slipper; DE AltName: Full=dMLK; GN Name=slpr {ECO:0000312|FlyBase:FBgn0030018}; GN Synonyms=Mlk2 {ECO:0000312|EMBL:AAM50203.1}; ORFNames=CG2272; OS Drosophila melanogaster (Fruit fly). OC Eukaryota; Metazoa; Ecdysozoa; Arthropoda; Hexapoda; Insecta; Pterygota; OC Neoptera; Endopterygota; Diptera; Brachycera; Muscomorpha; Ephydroidea; OC Drosophilidae; Drosophila; Sophophora. OX NCBI_TaxID=7227; RN [1] {ECO:0000305, ECO:0000312|EMBL:AAK98795.1} RP NUCLEOTIDE SEQUENCE [MRNA], FUNCTION, AND DISRUPTION PHENOTYPE. RC STRAIN=Berkeley {ECO:0000269|PubMed:11825878}; RC TISSUE=Head {ECO:0000312|EMBL:AAK98795.1}; RX PubMed=11825878; DOI=10.1101/gad.953002; RA Stronach B., Perrimon N.; RT "Activation of the JNK pathway during dorsal closure in Drosophila requires RT the mixed lineage kinase, slipper."; RL Genes Dev. 16:377-387(2002). RN [2] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=Berkeley {ECO:0000269|PubMed:10731132}; RX PubMed=10731132; DOI=10.1126/science.287.5461.2185; RA Adams M.D., Celniker S.E., Holt R.A., Evans C.A., Gocayne J.D., RA Amanatides P.G., Scherer S.E., Li P.W., Hoskins R.A., Galle R.F., RA George R.A., Lewis S.E., Richards S., Ashburner M., Henderson S.N., RA Sutton G.G., Wortman J.R., Yandell M.D., Zhang Q., Chen L.X., Brandon R.C., RA Rogers Y.-H.C., Blazej R.G., Champe M., Pfeiffer B.D., Wan K.H., Doyle C., RA Baxter E.G., Helt G., Nelson C.R., Miklos G.L.G., Abril J.F., Agbayani A., RA An H.-J., Andrews-Pfannkoch C., Baldwin D., Ballew R.M., Basu A., RA Baxendale J., Bayraktaroglu L., Beasley E.M., Beeson K.Y., Benos P.V., RA Berman B.P., Bhandari D., Bolshakov S., Borkova D., Botchan M.R., Bouck J., RA Brokstein P., Brottier P., Burtis K.C., Busam D.A., Butler H., Cadieu E., RA Center A., Chandra I., Cherry J.M., Cawley S., Dahlke C., Davenport L.B., RA Davies P., de Pablos B., Delcher A., Deng Z., Mays A.D., Dew I., RA Dietz S.M., Dodson K., Doup L.E., Downes M., Dugan-Rocha S., Dunkov B.C., RA Dunn P., Durbin K.J., Evangelista C.C., Ferraz C., Ferriera S., RA Fleischmann W., Fosler C., Gabrielian A.E., Garg N.S., Gelbart W.M., RA Glasser K., Glodek A., Gong F., Gorrell J.H., Gu Z., Guan P., Harris M., RA Harris N.L., Harvey D.A., Heiman T.J., Hernandez J.R., Houck J., Hostin D., RA Houston K.A., Howland T.J., Wei M.-H., Ibegwam C., Jalali M., Kalush F., RA Karpen G.H., Ke Z., Kennison J.A., Ketchum K.A., Kimmel B.E., Kodira C.D., RA Kraft C.L., Kravitz S., Kulp D., Lai Z., Lasko P., Lei Y., Levitsky A.A., RA Li J.H., Li Z., Liang Y., Lin X., Liu X., Mattei B., McIntosh T.C., RA McLeod M.P., McPherson D., Merkulov G., Milshina N.V., Mobarry C., RA Morris J., Moshrefi A., Mount S.M., Moy M., Murphy B., Murphy L., RA Muzny D.M., Nelson D.L., Nelson D.R., Nelson K.A., Nixon K., Nusskern D.R., RA Pacleb J.M., Palazzolo M., Pittman G.S., Pan S., Pollard J., Puri V., RA Reese M.G., Reinert K., Remington K., Saunders R.D.C., Scheeler F., RA Shen H., Shue B.C., Siden-Kiamos I., Simpson M., Skupski M.P., Smith T.J., RA Spier E., Spradling A.C., Stapleton M., Strong R., Sun E., Svirskas R., RA Tector C., Turner R., Venter E., Wang A.H., Wang X., Wang Z.-Y., RA Wassarman D.A., Weinstock G.M., Weissenbach J., Williams S.M., Woodage T., RA Worley K.C., Wu D., Yang S., Yao Q.A., Ye J., Yeh R.-F., Zaveri J.S., RA Zhan M., Zhang G., Zhao Q., Zheng L., Zheng X.H., Zhong F.N., Zhong W., RA Zhou X., Zhu S.C., Zhu X., Smith H.O., Gibbs R.A., Myers E.W., Rubin G.M., RA Venter J.C.; RT "The genome sequence of Drosophila melanogaster."; RL Science 287:2185-2195(2000). RN [3] {ECO:0000305} RP GENOME REANNOTATION. RC STRAIN=Berkeley; RX PubMed=12537572; DOI=10.1186/gb-2002-3-12-research0083; RA Misra S., Crosby M.A., Mungall C.J., Matthews B.B., Campbell K.S., RA Hradecky P., Huang Y., Kaminker J.S., Millburn G.H., Prochnik S.E., RA Smith C.D., Tupy J.L., Whitfield E.J., Bayraktaroglu L., Berman B.P., RA Bettencourt B.R., Celniker S.E., de Grey A.D.N.J., Drysdale R.A., RA Harris N.L., Richter J., Russo S., Schroeder A.J., Shu S.Q., Stapleton M., RA Yamada C., Ashburner M., Gelbart W.M., Rubin G.M., Lewis S.E.; RT "Annotation of the Drosophila melanogaster euchromatic genome: a systematic RT review."; RL Genome Biol. 3:RESEARCH0083.1-RESEARCH0083.22(2002). RN [4] {ECO:0000305, ECO:0000312|EMBL:AAM50203.1} RP NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA]. RC STRAIN=Berkeley {ECO:0000312|EMBL:AAM50203.1}; RC TISSUE=Head {ECO:0000269|PubMed:12537569}; RX PubMed=12537569; DOI=10.1186/gb-2002-3-12-research0080; RA Stapleton M., Carlson J.W., Brokstein P., Yu C., Champe M., George R.A., RA Guarin H., Kronmiller B., Pacleb J.M., Park S., Wan K.H., Rubin G.M., RA Celniker S.E.; RT "A Drosophila full-length cDNA resource."; RL Genome Biol. 3:RESEARCH0080.1-RESEARCH0080.8(2002). RN [5] {ECO:0000305, ECO:0000312|EMBL:AAL08011.1} RP NUCLEOTIDE SEQUENCE [MRNA] OF 14-1161, FUNCTION, CATALYTIC ACTIVITY, AND RP TISSUE SPECIFICITY. RC STRAIN=Berkeley {ECO:0000269|PubMed:12676357}; RC TISSUE=Embryo {ECO:0000269|PubMed:12676357}; RX PubMed=12676357; DOI=10.1016/s0167-4889(03)00022-3; RA Sathyanarayana P., Barthwal M.K., Lane M.E., Acevedo S.F., Skoulakis E.M., RA Bergmann A., Rana A.; RT "Drosophila mixed lineage kinase/slipper, a missing biochemical link in RT Drosophila JNK signaling."; RL Biochim. Biophys. Acta 1640:77-84(2003). RN [6] {ECO:0000305} RP FUNCTION, ACTIVITY REGULATION, AND MUTAGENESIS OF LYS-169. RX PubMed=12504027; DOI=10.1016/s1097-2765(02)00734-7; RA Sathyanarayana P., Barthwal M.K., Kundu C.N., Lane M.E., Bergmann A., RA Tzivion G., Rana A.; RT "Activation of the Drosophila MLK by ceramide reveals TNF-alpha and RT ceramide as agonists of mammalian MLK3."; RL Mol. Cell 10:1527-1533(2002). RN [7] RP PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-525 AND THR-862, AND RP IDENTIFICATION BY MASS SPECTROMETRY. RC TISSUE=Embryo; RX PubMed=18327897; DOI=10.1021/pr700696a; RA Zhai B., Villen J., Beausoleil S.A., Mintseris J., Gygi S.P.; RT "Phosphoproteome analysis of Drosophila melanogaster embryos."; RL J. Proteome Res. 7:1675-1682(2008). CC -!- FUNCTION: Activates the JUN N-terminal pathway during dorsal closure. CC {ECO:0000269|PubMed:11825878, ECO:0000269|PubMed:12504027, CC ECO:0000269|PubMed:12676357}. 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=2.7.11.25; CC Evidence={ECO:0000269|PubMed:12676357}; 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=2.7.11.25; Evidence={ECO:0000269|PubMed:12676357}; CC -!- COFACTOR: CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420; CC Evidence={ECO:0000250|UniProtKB:P80192}; CC -!- ACTIVITY REGULATION: Homodimerization via the leucine zipper domains is CC required for autophosphorylation and subsequent activation (By CC similarity). Activated by C6-ceramide. {ECO:0000250|UniProtKB:Q16584, CC ECO:0000269|PubMed:12504027}. CC -!- SUBUNIT: Homodimer. {ECO:0000250|UniProtKB:Q16584}. CC -!- TISSUE SPECIFICITY: Expressed both maternally and zygotically. CC Expressed uniformly in large quantities in the early embryo (stages 1- CC 4). In the late embryo, expression is ubiquitous, but expression levels CC are dramatically reduced. Expressed in the adult head and thorax, and CC in S2 cells. {ECO:0000269|PubMed:12676357}. CC -!- PTM: Autophosphorylation on serine and threonine residues within the CC activation loop plays a role in enzyme activation. CC {ECO:0000250|UniProtKB:Q16584}. CC -!- DISRUPTION PHENOTYPE: Mutants display defects in dorsal closure, CC resulting in a cuticle that resembles an open shoe. Therefore the CC protein was given the name Slipper. {ECO:0000269|PubMed:11825878}. CC -!- SIMILARITY: Belongs to the protein kinase superfamily. STE Ser/Thr CC protein kinase family. MAP kinase kinase kinase subfamily. CC {ECO:0000305}. CC -!- SEQUENCE CAUTION: CC Sequence=AAF46344.3; Type=Erroneous gene model prediction; Evidence={ECO:0000305}; CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; AY045717; AAK98795.1; -; mRNA. DR EMBL; AE014298; AAF46344.3; ALT_SEQ; Genomic_DNA. DR EMBL; AY119549; AAM50203.1; -; mRNA. DR EMBL; AF416233; AAL08011.1; -; mRNA. DR RefSeq; NP_001188559.1; NM_001201630.2. DR RefSeq; NP_001188560.1; NM_001201631.2. DR RefSeq; NP_572458.3; NM_132230.4. DR AlphaFoldDB; Q95UN8; -. DR SMR; Q95UN8; -. DR BioGRID; 68838; 15. DR IntAct; Q95UN8; 1. DR STRING; 7227.FBpp0292850; -. DR iPTMnet; Q95UN8; -. DR PaxDb; 7227-FBpp0292850; -. DR GeneID; 44111; -. DR KEGG; dme:Dmel_CG2272; -. DR AGR; FB:FBgn0030018; -. DR CTD; 44111; -. DR FlyBase; FBgn0030018; slpr. DR VEuPathDB; VectorBase:FBgn0030018; -. DR eggNOG; KOG0192; Eukaryota. DR InParanoid; Q95UN8; -. DR Reactome; R-DME-5673000; RAF activation. DR Reactome; R-DME-5689880; Ub-specific processing proteases. DR Reactome; R-DME-5689896; Ovarian tumor domain proteases. DR Reactome; R-DME-9013148; CDC42 GTPase cycle. DR Reactome; R-DME-9013424; RHOV GTPase cycle. DR SignaLink; Q95UN8; -. DR BioGRID-ORCS; 44111; 0 hits in 3 CRISPR screens. DR GenomeRNAi; 44111; -. DR PRO; PR:Q95UN8; -. DR Proteomes; UP000000803; Chromosome X. DR ExpressionAtlas; Q95UN8; baseline and differential. DR GO; GO:0005938; C:cell cortex; IDA:FlyBase. DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW. DR GO; GO:0004706; F:JUN kinase kinase kinase activity; IDA:UniProtKB. DR GO; GO:0004709; F:MAP kinase kinase kinase activity; IDA:FlyBase. DR GO; GO:0042803; F:protein homodimerization activity; ISS:UniProtKB. DR GO; GO:0106310; F:protein serine kinase activity; IEA:RHEA. DR GO; GO:0071361; P:cellular response to ethanol; IMP:FlyBase. DR GO; GO:0046843; P:dorsal appendage formation; IMP:FlyBase. DR GO; GO:0007391; P:dorsal closure; IMP:FlyBase. DR GO; GO:0007394; P:dorsal closure, elongation of leading edge cells; IMP:FlyBase. DR GO; GO:0046529; P:imaginal disc fusion, thorax closure; IMP:FlyBase. DR GO; GO:0048804; P:imaginal disc-derived female genitalia morphogenesis; IMP:FlyBase. DR GO; GO:0048803; P:imaginal disc-derived male genitalia morphogenesis; IMP:FlyBase. DR GO; GO:0007254; P:JNK cascade; IMP:UniProtKB. DR GO; GO:0046330; P:positive regulation of JNK cascade; IMP:FlyBase. DR GO; GO:0046777; P:protein autophosphorylation; ISS:UniProtKB. DR GO; GO:0006468; P:protein phosphorylation; IDA:UniProtKB. DR GO; GO:0009408; P:response to heat; IMP:FlyBase. DR GO; GO:0048010; P:vascular endothelial growth factor receptor signaling pathway; IGI:FlyBase. DR CDD; cd11876; SH3_MLK; 1. DR CDD; cd14061; STKc_MLK; 1. DR Gene3D; 2.30.30.40; SH3 Domains; 1. DR Gene3D; 1.10.510.10; Transferase(Phosphotransferase) domain 1; 1. DR InterPro; IPR011009; Kinase-like_dom_sf. DR InterPro; IPR000719; Prot_kinase_dom. DR InterPro; IPR001245; Ser-Thr/Tyr_kinase_cat_dom. DR InterPro; IPR008271; Ser/Thr_kinase_AS. DR InterPro; IPR036028; SH3-like_dom_sf. DR InterPro; IPR001452; SH3_domain. DR PANTHER; PTHR23257:SF947; PROTEIN KINASE DOMAIN-CONTAINING PROTEIN; 1. DR PANTHER; PTHR23257; SERINE-THREONINE PROTEIN KINASE; 1. DR Pfam; PF07714; PK_Tyr_Ser-Thr; 1. DR Pfam; PF00018; SH3_1; 1. DR PRINTS; PR00452; SH3DOMAIN. DR PRINTS; PR00109; TYRKINASE. DR SMART; SM00220; S_TKc; 1. DR SMART; SM00326; SH3; 1. DR SUPFAM; SSF56112; Protein kinase-like (PK-like); 1. DR SUPFAM; SSF50044; SH3-domain; 1. DR PROSITE; PS50011; PROTEIN_KINASE_DOM; 1. DR PROSITE; PS00108; PROTEIN_KINASE_ST; 1. DR PROSITE; PS50002; SH3; 1. DR Genevisible; Q95UN8; DM. PE 1: Evidence at protein level; KW ATP-binding; Developmental protein; Kinase; Nucleotide-binding; KW Phosphoprotein; Reference proteome; Repeat; KW Serine/threonine-protein kinase; SH3 domain; Transferase. FT CHAIN 1..1161 FT /note="Mitogen-activated protein kinase kinase kinase" FT /id="PRO_0000086269" FT DOMAIN 56..120 FT /note="SH3" FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00192" FT DOMAIN 142..402 FT /note="Protein kinase" FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00159" FT REGION 426..447 FT /note="Leucine-zipper 1" FT REGION 461..482 FT /note="Leucine-zipper 2" FT REGION 560..615 FT /note="Disordered" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT REGION 658..678 FT /note="Disordered" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT REGION 790..830 FT /note="Disordered" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT REGION 988..1014 FT /note="Disordered" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT REGION 1045..1093 FT /note="Disordered" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT REGION 1137..1161 FT /note="Disordered" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT COMPBIAS 560..602 FT /note="Polar residues" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT COMPBIAS 806..830 FT /note="Polar residues" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT COMPBIAS 1062..1090 FT /note="Basic and acidic residues" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT ACT_SITE 264 FT /note="Proton acceptor" FT /evidence="ECO:0000250|UniProtKB:Q02779, FT ECO:0000255|PROSITE-ProRule:PRU00159, ECO:0000255|PROSITE- FT ProRule:PRU10027" FT BINDING 148..156 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /evidence="ECO:0000250|UniProtKB:Q02779, FT ECO:0000255|PROSITE-ProRule:PRU00159" FT BINDING 169 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00159, FT ECO:0000269|PubMed:12504027" FT MOD_RES 300 FT /note="Phosphothreonine; by autocatalysis" FT /evidence="ECO:0000250" FT MOD_RES 304 FT /note="Phosphoserine; by autocatalysis" FT /evidence="ECO:0000250" FT MOD_RES 525 FT /note="Phosphoserine" FT /evidence="ECO:0000269|PubMed:18327897" FT MOD_RES 560 FT /note="Phosphoserine" FT /evidence="ECO:0000250|UniProtKB:Q16584" FT MOD_RES 685 FT /note="Phosphoserine" FT /evidence="ECO:0000250|UniProtKB:Q16584" FT MOD_RES 773 FT /note="Phosphoserine" FT /evidence="ECO:0000250|UniProtKB:Q16584" FT MOD_RES 792 FT /note="Phosphoserine" FT /evidence="ECO:0000250|UniProtKB:Q16584" FT MOD_RES 862 FT /note="Phosphothreonine" FT /evidence="ECO:0000269|PubMed:18327897" FT MOD_RES 993 FT /note="Phosphoserine" FT /evidence="ECO:0000250|UniProtKB:Q16584" FT MUTAGEN 169 FT /note="K->A: Loss of kinase activity. Attenuates bsk FT activation." FT /evidence="ECO:0000269|PubMed:12504027" FT CONFLICT 327 FT /note="D -> Y (in Ref. 4; AAM50203)" FT /evidence="ECO:0000305" FT CONFLICT 670 FT /note="S -> P (in Ref. 5; AAL08011)" FT /evidence="ECO:0000305" FT CONFLICT 908 FT /note="E -> G (in Ref. 5; AAL08011)" FT /evidence="ECO:0000305" SQ SEQUENCE 1161 AA; 128961 MW; DD6C7ABAC08EDA24 CRC64; MPSQVSRGLD TTNMLPISEE QQLQQQQQQQ QLEQLHHPQI PEIPIPDLEQ VETQVGDGSL WTALYDYDAQ GEDELTLRRG EIVVVLSTDS EVSGDVGWWT GKIGDKVGVF PKDFVTDEDP LQLNVSSAIG DIQPHEIEYN ELDIKEVIGS GGFCKVHRGY YDGEEVAIKI AHQTGEDDMQ RMRDNVLQEA KLFWALKHEN IAALRGVCLN TKLCLVMEYA RGGSLNRILA GKIPPDVLVN WAIQIARGMN YLHNEAPMSI IHRDLKSSNV LIYEAIEGNH LQQKTLKITD FGLAREMYNT QRMSAAGTYA WMPPEVISVS TYSKFSDVWS YGVLLWELIT GETPYKGFDP LSVAYGVAVN TLTLPIPKTC PETWGALMKS CWQTDPHKRP GFKEILKQLE SIACSKFTLT PQESFHYMQE CWRKEIAGVL HDLREKEKEL RNKEEQLLRV QNEQREKANL LKIREQNLRE RERVLIEREL VMLQPVPSKR KHKKGKKNKP LQISLPTGFR HTITAVRDKA EQPGSPSFSG LRIVALTDGH KGKTWGPSTM HQRERSLLPS QLSGGQPEWP AQTSTHSSFS KSAPNLDKKQ QQQNQQQVAS LTPPPGLGIL GGSGGAGGTP ATPLLYPGIP IILTRPNNNN IGNCKAITTT ITTTTTTTTN NNNNNNNSIS ANNNNQLNNI STINSNNNNN QTNLTSQPNT IIVLQNGRNN SNSSTTSQSP AKIYHRARSQ EYGLDHPLAY QPPPLYLVTD DSSETDTVAS PTGCFHFLKS GNSSAASGAV HLHRFGGSLG NSPAVGRKKH SLDSSSHHPP ANGSNSFALP NQLTLPSEDN NTYDHAFYRD VIKKMSMASS ERVNSKSSGD LTMYNSSTPL TARDCDDAEE AFEGGRFQRN FSGSQFPRHC FFTRQEEEGE AEDEDAVAAE VDTADADADD ECQVPASQMR QNSTTSRKSS VTFQSVSFEE PDFVATPRTT ARSDLYTSSA SISFATYRSA SPSLSSSSTT ASASPSIAST EAVNGYHMQE NSILNTRRMQ DVQPHPDVIK LRAQEQRQQT KNQKKQRPKH ITKSKSVEAP VEGQHHEHDD HNDPQHQHHS AGSSKIRALF NLFTRSRKKY SKLAEHNMVG GPEFCAIDPY QTDLAMGGSS RSLKRKGKKP QTQSCEQLER C //