MYH4

From Wikipedia, the free encyclopedia

Myosin, heavy chain 4, skeletal muscle

PDB rendering based on 1o1g.

Available structures

Ortholog search: PDBe, RCSB

List of PDB id codes
1m8q, 1mvw, 1o18, 1o19, 1o1a, 1o1b, 1o1c, 1o1d, 1o1e, 1o1f, 1o1g

Identifiers

Symbols

MYH4; MYH2B; MyHC-2B; MyHC-IIb

External IDs

OMIM: 160742 MGI: 1339713 HomoloGene: 123880 GeneCards: MYH4 Gene

Gene Ontology
Molecular function	• microfilament motor activity • actin binding • calmodulin binding • ATP binding • structural constituent of muscle
Cellular component	• nucleus • nucleolus • muscle myosin complex • focal adhesion • myofibril • sarcomere • myosin filament
Biological process	• muscle contraction • response to activity • cellular membrane organization • actin filament-based movement • muscle filament sliding
Sources: Amigo / QuickGO

Orthologs

Species

Human

Mouse

RefSeq (mRNA)

RefSeq (protein)

Location (UCSC)

Chr 17:
10.35 – 10.37 Mb

Chr 11:
67.24 – 67.26 Mb

PubMed search

Myosin-4 also known as myosin, heavy chain 4 is a protein which in humans is encoded by the MYH4 gene.^[1]

Function

MYH4 is a myosin.

References

↑ Edwards YH, Parkar M, Povey S, West LF, Parrington JM, Solomon E (May 1985). "Human myosin heavy chain genes assigned to chromosome 17 using a human cDNA clone as probe". Ann. Hum. Genet. 49 (Pt 2): 101–9. doi:10.1111/j.1469-1809.1985.tb01681.x. PMID 3000272.

Sant'ana Pereira JA, Wessels A, Nijtmans L, et al. (1995). "New method for the accurate characterization of single human skeletal muscle fibres demonstrates a relation between mATPase and MyHC expression in pure and hybrid fibre types.". J. Muscle Res. Cell. Motil. 16 (1): 21–34. doi:10.1007/BF00125307. PMID 7751402.
Weiss A, McDonough D, Wertman B, et al. (1999). "Organization of human and mouse skeletal myosin heavy chain gene clusters is highly conserved.". Proc. Natl. Acad. Sci. U.S.A. 96 (6): 2958–63. doi:10.1073/pnas.96.6.2958. PMC 15877. PMID 10077619.
Barton PJ, Buckingham ME (1985). "The myosin alkali light chain proteins and their genes.". Biochem. J. 231 (2): 249–61. PMC 1152739. PMID 3904738.
Horton MJ, Brandon CA, Morris TJ, et al. (2001). "Abundant expression of myosin heavy-chain IIB RNA in a subset of human masseter muscle fibres.". Arch. Oral Biol. 46 (11): 1039–50. doi:10.1016/S0003-9969(01)00066-8. PMID 11543711.
Weiss A, Schiaffino S, Leinwand LA (1999). "Comparative sequence analysis of the complete human sarcomeric myosin heavy chain family: implications for functional diversity.". J. Mol. Biol. 290 (1): 61–75. doi:10.1006/jmbi.1999.2865. PMID 10388558.
Larsson L, Moss RL (1993). "Maximum velocity of shortening in relation to myosin isoform composition in single fibres from human skeletal muscles.". J. Physiol. (Lond.) 472: 595–614. PMC 1160504. PMID 8145163.
Li ZH, Spektor A, Varlamova O, Bresnick AR (2003). "Mts1 regulates the assembly of nonmuscle myosin-IIA.". Biochemistry 42 (48): 14258–66. doi:10.1021/bi0354379. PMID 14640694.
Sowa ME, Bennett EJ, Gygi SP, Harper JW (2009). "Defining the human deubiquitinating enzyme interaction landscape.". Cell 138 (2): 389–403. doi:10.1016/j.cell.2009.04.042. PMC 2716422. PMID 19615732.
Ford HL, Silver DL, Kachar B, et al. (1997). "Effect of Mts1 on the structure and activity of nonmuscle myosin II.". Biochemistry 36 (51): 16321–7. doi:10.1021/bi971182l. PMID 9405067.
Soussi-Yanicostas N, Whalen RG, Petit C (1993). "Five skeletal myosin heavy chain genes are organized as a multigene complex in the human genome.". Hum. Mol. Genet. 2 (5): 563–9. doi:10.1093/hmg/2.5.563. PMID 8518795.
Ewing RM, Chu P, Elisma F, et al. (2007). "Large-scale mapping of human protein-protein interactions by mass spectrometry.". Mol. Syst. Biol. 3 (1): 89. doi:10.1038/msb4100134. PMC 1847948. PMID 17353931.

PDB gallery

1o1g: MOLECULAR MODELS OF AVERAGED RIGOR CROSSBRIDGES FROM TOMOGRAMS OF INSECT FLIGHT MUSCLE

1o1a: MOLECULAR MODELS OF AVERAGED RIGOR CROSSBRIDGES FROM TOMOGRAMS OF INSECT FLIGHT MUSCLE

1o19: MOLECULAR MODELS OF AVERAGED RIGOR CROSSBRIDGES FROM TOMOGRAMS OF INSECT FLIGHT MUSCLE

1o18: MOLECULAR MODELS OF AVERAGED RIGOR CROSSBRIDGES FROM TOMOGRAMS OF INSECT FLIGHT MUSCLE

1o1b: MOLECULAR MODELS OF AVERAGED RIGOR CROSSBRIDGES FROM TOMOGRAMS OF INSECT FLIGHT MUSCLE

1o1e: MOLECULAR MODELS OF AVERAGED RIGOR CROSSBRIDGES FROM TOMOGRAMS OF INSECT FLIGHT MUSCLE

1o1d: MOLECULAR MODELS OF AVERAGED RIGOR CROSSBRIDGES FROM TOMOGRAMS OF INSECT FLIGHT MUSCLE

1o1f: MOLECULAR MODELS OF AVERAGED RIGOR CROSSBRIDGES FROM TOMOGRAMS OF INSECT FLIGHT MUSCLE

1o1c: MOLECULAR MODELS OF AVERAGED RIGOR CROSSBRIDGES FROM TOMOGRAMS OF INSECT FLIGHT MUSCLE

1mvw: MOLECULAR MODELS OF AVERAGED RIGOR CROSSBRIDGES FROM TOMOGRAMS OF INSECT FLIGHT MUSCLE

1m8q: Molecular Models of Averaged Rigor Crossbridges from Tomograms of Insect Flight Muscle

Proteins of the cytoskeleton

Human

Microfilaments
(ABPs)

Myofilament

Actins	A1 A2 B C1 G1 G2

Myosins	I MYO1A MYO1B MYO1C MYO1D MYO1E MYO1F MYO1G MYO1H) II MYH1 MYH2 MYH3 MYH4 MYH6 MYH7 MYH7B MYH8 MYH9 MYH10 MYH11 MYH13 MYH14 MYH15 MYH16 III MYO3A MYO3B V MYO5A MYO5B MYO5C VI MYO6 VII MYO7A MYO7B IX MYO9A MYO9B X MYO10 XV MYO15A XVIII MYO18A MYO18B LC MYL1 MYL2 MYL3 MYL4 MYL5 MYL6 MYL6B MYL7 MYL9 MYLIP MYLK MYLK2 MYLL1

Other	Tropomodulin 1 2 3 4 Troponin T 1 2 3 C 1 2 I 1 2 3 Tropomyosin 1 2 3 4 Actinin 1 2 3 4 Arp2/3 complex actin depolymerizing factors Cofilin 1 2 Destrin Gelsolin Profilin 1 2 Titin

Other

Wiskott-Aldrich syndrome protein
Fibrillin
Filamin
- FLNA
- FLNB
- FLNC
Espin
TRIOBP

IFs

Type 1/2
(Keratin,
Cytokeratin)

Epithelial keratins (soft alpha-keratins)	type I/chromosome 17 10 12 13 14 15 16 17 19 20 chromosome 12 18 none 21 type II/chromosome 12 1 2A 3 4 5 6A 6B 7 8 9

Hair keratins (hard alpha-keratins)	type I/chromosome 17 31 32 33A 33B 34 35 36 37 38 type II/chromosome 12 81 82 83 84 85 86

Ungrouped alpha	chromosome 17 23 24 25 26 27 28 39 40 chromosome 12 71 72 73 74 75 76 77 78 79 80

Not alpha	Beta-keratin

Type 3

Type 4

Type 5

Lamin A
B

Microtubules/
MAPs

Kinesins	KIF1A KIF1B KIF2A KIF2C KIF3B KIF3C KIF4A KIF4B KIF5A KIF5B KIF5C KIF6 KIF7 KIF9 KIF11 KIF12 KIF13A KIF13B KIF14 KIF15 KIF16B KIF17 KIF18A KIF18B KIF19 KIF20A KIF20B KIF21A KIF21B KIF22 KIF23 KIF24 KIF25 KIF26A KIF26B KIF27 KIFC1 KIFC2 KIFC3

Dyneins	axonemal: DNAH1 DNAH2 DNAH3 DNAH5 DNAH6 DNAH7 DNAH8 DNAH9 DNAH10 DNAH11 DNAH12 DNAH13 DNAH14 DNAH17 DNAI1 DNAI2 DNALI1 DNAL1 DNAL4 cytoplasmic: DYNC1H1 DYNC2H1 DYNC1I1 DYNC1I2 DYNC1LI1 DYNC1LI2 DYNC2LI1 DYNLL1 DYNLL2 DYNLRB1 DYNLRB2 DYNLT1 DYNLT3

Other	Tau protein Dynactin DCTN1 Tubulins TUBA1A TUBA1B TUBA1C TUBA3C TUBA3D TUBA3E TUBA4A TUBA8 Stathmin Tektin TEKT1 TEKT2 TEKT3 TEKT4 TEKT5 Dynamin DNM1 DNM2 DNM3

Catenins

Membrane

Dystrophin
- Dystroglycan
Utrophin
Ankyrin
- ANK1
- ANK2
- ANK3
Spectrin
- SPTA1
- SPTAN1
- SPTB
- SPTBN1
- SPTBN2
- SPTBN4
- SPTBN5

Other

Nonhuman

See also: cytoskeletal defects B strc: edmb (perx), skel (ctrs), epit, cili, mito, nucl (chro)

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MYH4

Function

References

Further reading