1MMA: Myosin

X-ray structures of the mgadp, mgatpgammas, and mgamppnp complexes of the dictyostelium discoideum myosin motor domain. Determined by X-ray diffraction at 2.1 Å resolution. Released 3 Dec 1997.

Method
X-ray diffraction
Resolution
2.1 Å
Organism
Dictyostelium discoideum
Chains
1
Atoms
6,139
Mol. weight
87.27 kDa
Ligands
ADP, MG
Released
3 Dec 1997

Explore 1MMA in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

1MMA contains 35 α-helices and 27 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 A: 35 helices, 27 β-strands

ElementResiduesLengthSheet
α-helix10-156
β-strand34-3741
β-strand48-5691
β-strand59-6351
β-strand7011
β-strand7311
α-helix74-763
β-strand7911
α-helix80-823
α-helix83-853
β-strand9012
α-helix91-933
α-helix99-11113
β-strand116-11942
β-strand122-12652
α-helix137-1437
α-helix148-1503
α-helix155-16915
β-strand173-17862
α-helix185-20016
α-helix210-22617
β-strand227-22823
β-strand236-23723
β-strand240-24782
β-strand253-26192
α-helix265-2684
α-helix279-2879
α-helix290-2956
α-helix301-3033
α-helix320-33415
α-helix338-35619
β-strand360-36124
β-strand367-36824
α-helix373-38210
α-helix386-3949
β-strand397-39935
β-strand404-40635
α-helix411-44131
β-strand448-45472
α-helix466-49227
α-helix507-5104
α-helix511-5188
β-strand52016
β-strand52316
α-helix525-53410
α-helix540-55112
β-strand558-55927
β-strand567-57267
β-strand575-58067
α-helix584-5896
α-helix594-6018
α-helix606-6138
α-helix615-6184
α-helix627-6293
α-helix630-64617
β-strand649-65682
α-helix669-67810
α-helix681-69010
α-helix725-7295
β-strand73418
β-strand73718
α-helix750-7523

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
MyosinAprotein762Dictyostelium discoideumP08799 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>1MMA_1 MYOSIN (chains A)
MNPIHDRTSDYHKYLKVKQGDSDLFKLTVSDKRYIWYNPDPKERDSYECGEIVSETSDSF
TFKTSDGQDRQVKKDDANQRNPIKFDGVEDMSELSYLNEPAVFHNLRVRYNQDLIYTYSG
LFLVAVNPFKRIPIYTQEMVDIFKGRRRNEVAPHIFAISDVAYRSMLDDRQNQSLLITGE
SGAGKTENTKKVIQYLASVAGRNQANGSGVLEQQILQANPILEAFGNAKTTRNNNSSRFG
KFIEIQFNNAGFISGASIQSYLLEKSRVVFQSETERNYHIFYQLLAGATAEEKKALHLAG
PESFNYLNQSGCVDIKGVSDSEEFKITRQAMDIVGFSQEEQMSIFKIIAGILHLGNIKFE
KGAGEGAVLKDKTALNAASTVFGVNPSVLEKALMEPRILAGRDLVAQHLNVEKSSSSRDA
LVKALYGRLFLWLVKKINNVLCQERKAYFIGVLDISGFEIFKVNSFEQLCINYTNEKLQQ
FFNHHMFKLEQEEYLKEKINWTFIDFGLDSQATIDLIDGRQPPGILALLDEQSVFPNATD
NTLITKLHSHFSKKNAKYEEPRFSKTEFGVTHYAGQVMYEIQDWLEKNKDPLQQDLELCF
KDSSDNVVTKLFNDPNIASRAKKGANFITVAAQYKEQLASLMATLETTNPHFVRCIIPNN
KQLPAKLEDKVVLDQLRCNGVLEGIRITRKGFPNRIIYADFVKRYYLLAPNVPRDAEDSQ
KATDAVLKHLNIDPEQFRFGITKIFFRAGQLARIEEARELPN

Ligands and cofactors

IDNameFormulaCopies
ADPAdenosine-5'-diphosphateC10 H15 N5 O10 P21
MGMagnesium ionMg1

Primary citation

X-ray structures of the MgADP, MgATPgammaS, and MgAMPPNP complexes of the Dictyostelium discoideum myosin motor domain. Gulick, A.M., Bauer, C.B., Thoden, J.B. et al. Biochemistry (1997) 36:11619-11628. DOI 10.1021/bi9712596 · PubMed

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

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