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Q32MK0

- MYLK3_HUMAN

UniProt

Q32MK0 - MYLK3_HUMAN

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Protein
Myosin light chain kinase 3
Gene
MYLK3, MLCK
Organism
Homo sapiens (Human)
Status
Reviewed - Annotation score: 5 out of 5 - Experimental evidence at transcript leveli

Functioni

Kinase that phosphorylates MYL2 in vitro. Promotes sarcomere formation in cardiomyocytes and increases cardiomyocyte contractility By similarity.

Catalytic activityi

ATP + [myosin light-chain] = ADP + [myosin light-chain] phosphate.

Cofactori

Magnesium By similarity.

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Binding sitei544 – 5441ATP By similarity
Active sitei636 – 6361Proton acceptor By similarity

Regions

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Nucleotide bindingi521 – 5299ATP By similarity

GO - Molecular functioni

  1. ATP binding Source: UniProtKB-KW
  2. calmodulin-dependent protein kinase activity Source: BHF-UCL
  3. myosin light chain kinase activity Source: BHF-UCL
Complete GO annotation...

GO - Biological processi

  1. cardiac myofibril assembly Source: BHF-UCL
  2. cellular response to interleukin-1 Source: BHF-UCL
  3. positive regulation of sarcomere organization Source: BHF-UCL
  4. protein phosphorylation Source: BHF-UCL
  5. regulation of vascular permeability involved in acute inflammatory response Source: BHF-UCL
  6. sarcomere organization Source: BHF-UCL
  7. sarcomerogenesis Source: BHF-UCL
Complete GO annotation...

Keywords - Molecular functioni

Kinase, Serine/threonine-protein kinase, Transferase

Keywords - Ligandi

ATP-binding, Magnesium, Nucleotide-binding

Enzyme and pathway databases

SignaLinkiQ32MK0.

Names & Taxonomyi

Protein namesi
Recommended name:
Myosin light chain kinase 3 (EC:2.7.11.18)
Alternative name(s):
Cardiac-MyBP-C-associated Ca/CaM kinase
Short name:
Cardiac-MLCK
Gene namesi
Name:MYLK3
Synonyms:MLCK
OrganismiHomo sapiens (Human)
Taxonomic identifieri9606 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresPrimatesHaplorrhiniCatarrhiniHominidaeHomo
ProteomesiUP000005640: Chromosome 16

Organism-specific databases

HGNCiHGNC:29826. MYLK3.

Subcellular locationi

Cytoplasm By similarity

GO - Cellular componenti

  1. actin cytoskeleton Source: Ensembl
  2. cytoplasm Source: BHF-UCL
  3. cytosol Source: BHF-UCL
Complete GO annotation...

Keywords - Cellular componenti

Cytoplasm

Pathology & Biotechi

Organism-specific databases

PharmGKBiPA162396375.

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 819819Myosin light chain kinase 3
PRO_0000272200Add
BLAST

Post-translational modificationi

Phosphorylated on serine residues By similarity.

Keywords - PTMi

Phosphoprotein

Proteomic databases

MaxQBiQ32MK0.
PaxDbiQ32MK0.
PRIDEiQ32MK0.

PTM databases

PhosphoSiteiQ32MK0.

Expressioni

Tissue specificityi

Restricted to heart.1 Publication

Gene expression databases

BgeeiQ32MK0.
CleanExiHS_MYLK3.
GenevestigatoriQ32MK0.

Organism-specific databases

HPAiHPA040258.

Interactioni

Protein-protein interaction databases

BioGridi124881. 4 interactions.
IntActiQ32MK0. 2 interactions.
STRINGi9606.ENSP00000378288.

Structurei

3D structure databases

ProteinModelPortaliQ32MK0.
SMRiQ32MK0. Positions 491-793.

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Domaini515 – 770256Protein kinase
Add
BLAST

Sequence similaritiesi

Phylogenomic databases

eggNOGiCOG0515.
HOGENOMiHOG000233016.
HOVERGENiHBG080416.
InParanoidiQ32MK0.
KOiK00907.
OMAiFRMVVAV.
OrthoDBiEOG73FQMV.
PhylomeDBiQ32MK0.
TreeFamiTF314166.

Family and domain databases

InterProiIPR020636. Ca/CaM-dep_Ca-dep_prot_Kinase.
IPR011009. Kinase-like_dom.
IPR000719. Prot_kinase_dom.
IPR017441. Protein_kinase_ATP_BS.
IPR002290. Ser/Thr_dual-sp_kinase_dom.
IPR008271. Ser/Thr_kinase_AS.
[Graphical view]
PANTHERiPTHR24347. PTHR24347. 1 hit.
PfamiPF00069. Pkinase. 1 hit.
[Graphical view]
SMARTiSM00220. S_TKc. 1 hit.
[Graphical view]
SUPFAMiSSF56112. SSF56112. 1 hit.
PROSITEiPS00107. PROTEIN_KINASE_ATP. 1 hit.
PS50011. PROTEIN_KINASE_DOM. 1 hit.
PS00108. PROTEIN_KINASE_ST. 1 hit.
[Graphical view]

Sequences (2)i

Sequence statusi: Complete.

This entry describes 2 isoformsi produced by alternative splicing. Align

Isoform 1 (identifier: Q32MK0-3) [UniParc]FASTAAdd to Basket

This isoform has been chosen as the 'canonical' sequence. All positional information in this entry refers to it. This is also the sequence that appears in the downloadable versions of the entry.

« Hide

MSGTSKESLG HGGLPGLGKT CLTTMDTKLN MLNEKVDQLL HFQEDVTEKL    50
QSMCRDMGHL ERGLHRLEAS RAPGPGGADG VPHIDTQAGW PEVLELVRAM 100
QQDAAQHGAR LEALFRMVAA VDRAIALVGA TFQKSKVADF LMQGRVPWRR 150
GSPGDSPEEN KERVEEEGGK PKHVLSTSGV QSDAREPGEE SQKADVLEGT 200
AERLPPIRAS GLGADPAQAV VSPGQGDGVP GPAQAFPGHL PLPTKVEAKA 250
PETPSENLRT GLELAPAPGR VNVVSPSLEV APGAGQGASS SRPDPEPLEE 300
GTRLTPGPGP QCPGPPGLPA QARATHSGGE TPPRISIHIQ EMDTPGEMLM 350
TGRGSLGPTL TTEAPAAAQP GKQGPPGTGR CLQAPGTEPG EQTPEGAREL 400
SPLQESSSPG GVKAEEEQRA GAEPGTRPSL ARSDDNDHEV GALGLQQGKS 450
PGAGNPEPEQ DCAARAPVRA EAVRRMPPGA EAGSVVLDDS PAPPAPFEHR 500
VVSVKETSIS AGYEVCQHEV LGGGRFGQVH RCTEKSTGLP LAAKIIKVKS 550
AKDREDVKNE INIMNQLSHV NLIQLYDAFE SKHSCTLVME YVDGGELFDR 600
ITDEKYHLTE LDVVLFTRQI CEGVHYLHQH YILHLDLKPE NILCVNQTGH 650
QIKIIDFGLA RRYKPREKLK VNFGTPEFLA PEVVNYEFVS FPTDMWSVGV 700
ITYMLLSGLS PFLGETDAET MNFIVNCSWD FDADTFEGLS EEAKDFVSRL 750
LVKEKSCRMS ATQCLKHEWL NNLPAKASRS KTRLKSQLLL QKYIAQRKWK 800
KHFYVVTAAN RLRKFPTSP 819
Length:819
Mass (Da):88,393
Last modified:July 28, 2009 - v3
Checksum:i21148BBACB0FF0D9
GO
Isoform 2 (identifier: Q32MK0-4) [UniParc]FASTAAdd to Basket

The sequence of this isoform differs from the canonical sequence as follows:
     1-341: Missing.

Note: No experimental confirmation available.

Show »
Length:478
Mass (Da):52,723
Checksum:i4AD65710D538D28B
GO

Sequence cautioni

The sequence AAI09098.2 differs from that shown. Reason: Erroneous initiation. Translation N-terminally extended.
The sequence CAC42766.1 differs from that shown. Reason: Erroneous initiation. Translation N-terminally extended.

Natural variant

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Natural varianti70 – 701S → T.
Corresponds to variant rs9923813 [ dbSNP | Ensembl ].
VAR_058335
Natural varianti180 – 1801V → L.2 Publications
Corresponds to variant rs28407821 [ dbSNP | Ensembl ].
VAR_058336
Natural varianti390 – 3901G → R in a colorectal cancer sample; somatic mutation. 1 Publication
VAR_035630

Alternative sequence

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Alternative sequencei1 – 341341Missing in isoform 2.
VSP_044312Add
BLAST

Sequence conflict

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Sequence conflicti149 – 1491R → G in BAG70269. 1 Publication
Sequence conflicti199 – 1991G → R in CAC42766. 1 Publication

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AJ247087 mRNA. Translation: CAC42766.1. Different initiation.
AK299443 mRNA. Translation: BAH13034.1.
AB451455 mRNA. Translation: BAG70269.1.
AC007225 Genomic DNA. No translation available.
BC109097 mRNA. Translation: AAI09098.2. Different initiation.
CCDSiCCDS10723.2. [Q32MK0-3]
RefSeqiNP_872299.2. NM_182493.2. [Q32MK0-3]
XP_005256292.1. XM_005256235.2. [Q32MK0-4]
XP_006721396.1. XM_006721333.1. [Q32MK0-3]
XP_006721397.1. XM_006721334.1. [Q32MK0-4]
UniGeneiHs.130465.

Genome annotation databases

EnsembliENST00000394809; ENSP00000378288; ENSG00000140795. [Q32MK0-3]
ENST00000536476; ENSP00000439297; ENSG00000140795. [Q32MK0-4]
GeneIDi91807.
KEGGihsa:91807.
UCSCiuc002eei.4. human. [Q32MK0-3]
uc002eej.1. human. [Q32MK0-4]

Polymorphism databases

DMDMi254763411.

Keywords - Coding sequence diversityi

Alternative splicing, Polymorphism

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AJ247087 mRNA. Translation: CAC42766.1 . Different initiation.
AK299443 mRNA. Translation: BAH13034.1 .
AB451455 mRNA. Translation: BAG70269.1 .
AC007225 Genomic DNA. No translation available.
BC109097 mRNA. Translation: AAI09098.2 . Different initiation.
CCDSi CCDS10723.2. [Q32MK0-3 ]
RefSeqi NP_872299.2. NM_182493.2. [Q32MK0-3 ]
XP_005256292.1. XM_005256235.2. [Q32MK0-4 ]
XP_006721396.1. XM_006721333.1. [Q32MK0-3 ]
XP_006721397.1. XM_006721334.1. [Q32MK0-4 ]
UniGenei Hs.130465.

3D structure databases

ProteinModelPortali Q32MK0.
SMRi Q32MK0. Positions 491-793.
ModBasei Search...

Protein-protein interaction databases

BioGridi 124881. 4 interactions.
IntActi Q32MK0. 2 interactions.
STRINGi 9606.ENSP00000378288.

Chemistry

BindingDBi Q32MK0.
ChEMBLi CHEMBL4627.
GuidetoPHARMACOLOGYi 2110.

PTM databases

PhosphoSitei Q32MK0.

Polymorphism databases

DMDMi 254763411.

Proteomic databases

MaxQBi Q32MK0.
PaxDbi Q32MK0.
PRIDEi Q32MK0.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

Ensembli ENST00000394809 ; ENSP00000378288 ; ENSG00000140795 . [Q32MK0-3 ]
ENST00000536476 ; ENSP00000439297 ; ENSG00000140795 . [Q32MK0-4 ]
GeneIDi 91807.
KEGGi hsa:91807.
UCSCi uc002eei.4. human. [Q32MK0-3 ]
uc002eej.1. human. [Q32MK0-4 ]

Organism-specific databases

CTDi 91807.
GeneCardsi GC16M046736.
HGNCi HGNC:29826. MYLK3.
HPAi HPA040258.
MIMi 612147. gene.
neXtProti NX_Q32MK0.
PharmGKBi PA162396375.
GenAtlasi Search...

Phylogenomic databases

eggNOGi COG0515.
HOGENOMi HOG000233016.
HOVERGENi HBG080416.
InParanoidi Q32MK0.
KOi K00907.
OMAi FRMVVAV.
OrthoDBi EOG73FQMV.
PhylomeDBi Q32MK0.
TreeFami TF314166.

Enzyme and pathway databases

SignaLinki Q32MK0.

Miscellaneous databases

GeneWikii MYLK3.
GenomeRNAii 91807.
NextBioi 77465.
PROi Q32MK0.
SOURCEi Search...

Gene expression databases

Bgeei Q32MK0.
CleanExi HS_MYLK3.
Genevestigatori Q32MK0.

Family and domain databases

InterProi IPR020636. Ca/CaM-dep_Ca-dep_prot_Kinase.
IPR011009. Kinase-like_dom.
IPR000719. Prot_kinase_dom.
IPR017441. Protein_kinase_ATP_BS.
IPR002290. Ser/Thr_dual-sp_kinase_dom.
IPR008271. Ser/Thr_kinase_AS.
[Graphical view ]
PANTHERi PTHR24347. PTHR24347. 1 hit.
Pfami PF00069. Pkinase. 1 hit.
[Graphical view ]
SMARTi SM00220. S_TKc. 1 hit.
[Graphical view ]
SUPFAMi SSF56112. SSF56112. 1 hit.
PROSITEi PS00107. PROTEIN_KINASE_ATP. 1 hit.
PS50011. PROTEIN_KINASE_DOM. 1 hit.
PS00108. PROTEIN_KINASE_ST. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

« Hide 'large scale' publications
  1. "The cardiac-MyBP-C associated Ca/CaM kinase is a novel MLCK with cardiac-specific domains."
    Mues A., Seidel R., Gautel M.
    Submitted (JUN-2001) to the EMBL/GenBank/DDBJ databases
    Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 1), VARIANT LEU-180.
    Tissue: Cardiac myocyte.
  2. "Complete sequencing and characterization of 21,243 full-length human cDNAs."
    Ota T., Suzuki Y., Nishikawa T., Otsuki T., Sugiyama T., Irie R., Wakamatsu A., Hayashi K., Sato H., Nagai K., Kimura K., Makita H., Sekine M., Obayashi M., Nishi T., Shibahara T., Tanaka T., Ishii S.
    , Yamamoto J., Saito K., Kawai Y., Isono Y., Nakamura Y., Nagahari K., Murakami K., Yasuda T., Iwayanagi T., Wagatsuma M., Shiratori A., Sudo H., Hosoiri T., Kaku Y., Kodaira H., Kondo H., Sugawara M., Takahashi M., Kanda K., Yokoi T., Furuya T., Kikkawa E., Omura Y., Abe K., Kamihara K., Katsuta N., Sato K., Tanikawa M., Yamazaki M., Ninomiya K., Ishibashi T., Yamashita H., Murakawa K., Fujimori K., Tanai H., Kimata M., Watanabe M., Hiraoka S., Chiba Y., Ishida S., Ono Y., Takiguchi S., Watanabe S., Yosida M., Hotuta T., Kusano J., Kanehori K., Takahashi-Fujii A., Hara H., Tanase T.-O., Nomura Y., Togiya S., Komai F., Hara R., Takeuchi K., Arita M., Imose N., Musashino K., Yuuki H., Oshima A., Sasaki N., Aotsuka S., Yoshikawa Y., Matsunawa H., Ichihara T., Shiohata N., Sano S., Moriya S., Momiyama H., Satoh N., Takami S., Terashima Y., Suzuki O., Nakagawa S., Senoh A., Mizoguchi H., Goto Y., Shimizu F., Wakebe H., Hishigaki H., Watanabe T., Sugiyama A., Takemoto M., Kawakami B., Yamazaki M., Watanabe K., Kumagai A., Itakura S., Fukuzumi Y., Fujimori Y., Komiyama M., Tashiro H., Tanigami A., Fujiwara T., Ono T., Yamada K., Fujii Y., Ozaki K., Hirao M., Ohmori Y., Kawabata A., Hikiji T., Kobatake N., Inagaki H., Ikema Y., Okamoto S., Okitani R., Kawakami T., Noguchi S., Itoh T., Shigeta K., Senba T., Matsumura K., Nakajima Y., Mizuno T., Morinaga M., Sasaki M., Togashi T., Oyama M., Hata H., Watanabe M., Komatsu T., Mizushima-Sugano J., Satoh T., Shirai Y., Takahashi Y., Nakagawa K., Okumura K., Nagase T., Nomura N., Kikuchi H., Masuho Y., Yamashita R., Nakai K., Yada T., Nakamura Y., Ohara O., Isogai T., Sugano S.
    Nat. Genet. 36:40-45(2004) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 2).
    Tissue: Tongue.
  3. "Human protein factory for converting the transcriptome into an in vitro-expressed proteome."
    Goshima N., Kawamura Y., Fukumoto A., Miura A., Honma R., Satoh R., Wakamatsu A., Yamamoto J., Kimura K., Nishikawa T., Andoh T., Iida Y., Ishikawa K., Ito E., Kagawa N., Kaminaga C., Kanehori K., Kawakami B.
    , Kenmochi K., Kimura R., Kobayashi M., Kuroita T., Kuwayama H., Maruyama Y., Matsuo K., Minami K., Mitsubori M., Mori M., Morishita R., Murase A., Nishikawa A., Nishikawa S., Okamoto T., Sakagami N., Sakamoto Y., Sasaki Y., Seki T., Sono S., Sugiyama A., Sumiya T., Takayama T., Takayama Y., Takeda H., Togashi T., Yahata K., Yamada H., Yanagisawa Y., Endo Y., Imamoto F., Kisu Y., Tanaka S., Isogai T., Imai J., Watanabe S., Nomura N.
    Nat. Methods 5:1011-1017(2008) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 1).
  4. "The sequence and analysis of duplication-rich human chromosome 16."
    Martin J., Han C., Gordon L.A., Terry A., Prabhakar S., She X., Xie G., Hellsten U., Chan Y.M., Altherr M., Couronne O., Aerts A., Bajorek E., Black S., Blumer H., Branscomb E., Brown N.C., Bruno W.J.
    , Buckingham J.M., Callen D.F., Campbell C.S., Campbell M.L., Campbell E.W., Caoile C., Challacombe J.F., Chasteen L.A., Chertkov O., Chi H.C., Christensen M., Clark L.M., Cohn J.D., Denys M., Detter J.C., Dickson M., Dimitrijevic-Bussod M., Escobar J., Fawcett J.J., Flowers D., Fotopulos D., Glavina T., Gomez M., Gonzales E., Goodstein D., Goodwin L.A., Grady D.L., Grigoriev I., Groza M., Hammon N., Hawkins T., Haydu L., Hildebrand C.E., Huang W., Israni S., Jett J., Jewett P.B., Kadner K., Kimball H., Kobayashi A., Krawczyk M.-C., Leyba T., Longmire J.L., Lopez F., Lou Y., Lowry S., Ludeman T., Manohar C.F., Mark G.A., McMurray K.L., Meincke L.J., Morgan J., Moyzis R.K., Mundt M.O., Munk A.C., Nandkeshwar R.D., Pitluck S., Pollard M., Predki P., Parson-Quintana B., Ramirez L., Rash S., Retterer J., Ricke D.O., Robinson D.L., Rodriguez A., Salamov A., Saunders E.H., Scott D., Shough T., Stallings R.L., Stalvey M., Sutherland R.D., Tapia R., Tesmer J.G., Thayer N., Thompson L.S., Tice H., Torney D.C., Tran-Gyamfi M., Tsai M., Ulanovsky L.E., Ustaszewska A., Vo N., White P.S., Williams A.L., Wills P.L., Wu J.-R., Wu K., Yang J., DeJong P., Bruce D., Doggett N.A., Deaven L., Schmutz J., Grimwood J., Richardson P., Rokhsar D.S., Eichler E.E., Gilna P., Lucas S.M., Myers R.M., Rubin E.M., Pennacchio L.A.
    Nature 432:988-994(2004) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
  5. "The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC)."
    The MGC Project Team
    Genome Res. 14:2121-2127(2004) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 1), VARIANT LEU-180.
  6. Cited for: TISSUE SPECIFICITY.
  7. Cited for: VARIANT [LARGE SCALE ANALYSIS] ARG-390.

Entry informationi

Entry nameiMYLK3_HUMAN
AccessioniPrimary (citable) accession number: Q32MK0
Secondary accession number(s): B5BUL9
, B7Z5U8, Q32MK1, Q96DV1
Entry historyi
Integrated into UniProtKB/Swiss-Prot: January 23, 2007
Last sequence update: July 28, 2009
Last modified: July 9, 2014
This is version 84 of the entry and version 3 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program
DisclaimerAny medical or genetic information present in this entry is provided for research, educational and informational purposes only. It is not in any way intended to be used as a substitute for professional medical advice, diagnosis, treatment or care.

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. Human chromosome 16
    Human chromosome 16: entries, gene names and cross-references to MIM
  2. Human entries with polymorphisms or disease mutations
    List of human entries with polymorphisms or disease mutations
  3. Human polymorphisms and disease mutations
    Index of human polymorphisms and disease mutations
  4. MIM cross-references
    Online Mendelian Inheritance in Man (MIM) cross-references in UniProtKB/Swiss-Prot
  5. Human and mouse protein kinases
    Human and mouse protein kinases: classification and index
  6. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

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