3MYK: Myosin-2 heavy chain

Insights into the Importance of Hydrogen Bonding in the Gamma-Phosphate Binding Pocket of Myosin: Structural and Functional Studies of Ser236. Determined by X-ray diffraction at 1.84 Å resolution. Released 26 May 2010.

Method
X-ray diffraction
Resolution
1.84 Å
Organism
Dictyostelium discoideum
Chains
1
Atoms
6,061
Mol. weight
87.55 kDa
Ligands
ANP, MG, BIT
Released
26 May 2010

Explore 3MYK in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

3MYK contains 38 α-helices and 33 β-strands across 1 chain. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain X: 38 helices, 33 β-strands

ElementResiduesLengthSheet
α-helix3-53
α-helix10-156
α-helix17-204
α-helix22-287
β-strand34-3741
β-strand48-5141
β-strand52-5542
β-strand59-6462
β-strand67-7372
α-helix74-763
β-strand78-7921
α-helix80-823
α-helix83-853
β-strand9013
α-helix91-933
α-helix99-11113
β-strand116-11943
β-strand122-12653
α-helix137-1437
α-helix148-1503
α-helix155-16915
β-strand173-17863
β-strand18014
α-helix185-19915
α-helix210-22617
β-strand227-22825
β-strand236-23725
β-strand241-24773
β-strand253-26083
α-helix265-2684
β-strand27815
α-helix279-2879
α-helix291-2955
α-helix301-3033
α-helix320-33415
α-helix338-35619
β-strand360-36126
β-strand367-36826
α-helix373-38210
α-helix386-3949
β-strand397-40047
β-strand403-40647
α-helix411-44131
β-strand448-45473
α-helix455-4573
β-strand45814
α-helix466-48318
α-helix484-4885
α-helix489-4968
α-helix511-5188
β-strand52018
β-strand52318
α-helix525-5339
α-helix540-55112
β-strand558-55929
β-strand567-57269
β-strand575-58069
α-helix584-5896
α-helix594-6018
α-helix606-6138
α-helix615-6184
β-strand622-623210
β-strand626-627210
α-helix628-6292
α-helix630-64617
β-strand649-65683
α-helix669-67810
α-helix681-69010
β-strand694-696311
β-strand737-739311
β-strand744-746311

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Myosin-2 heavy chainXprotein762Dictyostelium discoideumP08799 (AlphaFold model)
Sequence of entity 1 (X), FASTA
>3MYK_1 Myosin-2 heavy chain (chains X)
GNPIHDRTSDYHKYLKVKQGDSDLFKLTVSDKRYIWYNPDPKERDSYECGEIVSETSDSF
TFKTVDGQDRQVKKDDANQRNPIKFDGVEDMSELSYLNEPAVFHNLRVRYNQDLIYTYSG
LFLVAVNPFKRIPIYTQEMVDIFKGRRRNEVAPHIFAISDVAYRSMLDDRQNQSLLITGE
SGAGKTENTKKVIQYLASVAGRNQANGSGVLEQQILQANPILEAFGNAKTTRNNNASRFG
KFIEIQFNSAGFISGASIQSYLLEKSRVVFQSETERNYHIFYQLLAGATAEEKKALHLAG
PESFNYLNQSGCVDIKGVSDSEEFKITRQAMDIVGFSQEEQMSIFKIIAGILHLGNIKFE
KGAGEGAVLKDKTALNAASTVFGVNPSVLEKALMEPRILAGRDLVAQHLNVEKSSSSRDA
LVKALYGRLFLWLVKKINNVLCQERKAYFIGVLDISGFEIFKVNSFEQLCINYTNEKLQQ
FFNHHMFKLEQEEYLKEKINWTFIDFGLDSQATIDLIDGRQPPGILALLDEQSVFPNATD
NTLITKLHSHFSKKNAKYEEPRFSKTEFGVTHYAGQVMYEIQDWLEKNKDPLQQDLELCF
KDSSDNVVTKLFNDPNIASRAKKGANFITVAAQYKEQLASLMATLETTNPHFVRCIIPNN
KQLPAKLEDKVVLDQLRCNGVLEGIRITRKGFPNRIIYADFVKRYYLLAPNVPRDAEDSQ
KATDAVLKHLNIDPEQYRFGITKIFFRAGQLARIEEARELPN

Ligands and cofactors

IDNameFormulaCopies
ANPPhosphoaminophosphonic acid-adenylate esterC10 H17 N6 O12 P31
MGMagnesium ionMg1
BIT(-)-1-phenyl-1,2,3,4-tetrahydro-4-HYDROXYPYRROLO[2,3-B]-7-methylquinolin-4-oneC18 H16 N2 O21

Primary citation

Insights into the importance of hydrogen bonding in the gamma-phosphate binding pocket of myosin: structural and functional studies of serine 236. Frye, J.J., Klenchin, V.A., Bagshaw, C.R. et al. Biochemistry (2010) 49:4897-4907. DOI 10.1021/bi1001344 · PubMed

Other PDB entries of the same protein (UniProt P08799 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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