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- PDB-1br1: SMOOTH MUSCLE MYOSIN MOTOR DOMAIN-ESSENTIAL LIGHT CHAIN COMPLEX W... -

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Basic information

Entry
Database: PDB / ID: 1br1
TitleSMOOTH MUSCLE MYOSIN MOTOR DOMAIN-ESSENTIAL LIGHT CHAIN COMPLEX WITH MGADP.ALF4 BOUND AT THE ACTIVE SITE
Components(MYOSIN) x 2
KeywordsMUSCLE PROTEIN
Function / homology
Function and homology information


myosin II filament / myofibril assembly / myosin light chain binding / elastic fiber assembly / skeletal muscle myosin thick filament assembly / myosin II complex / muscle myosin complex / myosin II binding / myosin filament / actomyosin structure organization ...myosin II filament / myofibril assembly / myosin light chain binding / elastic fiber assembly / skeletal muscle myosin thick filament assembly / myosin II complex / muscle myosin complex / myosin II binding / myosin filament / actomyosin structure organization / actomyosin / smooth muscle contraction / cardiac muscle cell development / structural constituent of muscle / microfilament motor activity / myofibril / myosin heavy chain binding / ADP binding / actin filament binding / actin binding / calmodulin binding / calcium ion binding / magnesium ion binding / ATP binding / cytosol
Similarity search - Function
Arc Repressor Mutant, subunit A - #820 / Myosin VI head, motor domain, U50 subdomain / Methane Monooxygenase Hydroxylase; Chain G, domain 1 - #530 / DNA repair protein XRCC4-like, C-terminal / Myosin tail / Myosin tail / Myosin N-terminal SH3-like domain / Kinesin motor domain / Kinesin / Myosin S1 fragment, N-terminal ...Arc Repressor Mutant, subunit A - #820 / Myosin VI head, motor domain, U50 subdomain / Methane Monooxygenase Hydroxylase; Chain G, domain 1 - #530 / DNA repair protein XRCC4-like, C-terminal / Myosin tail / Myosin tail / Myosin N-terminal SH3-like domain / Kinesin motor domain / Kinesin / Myosin S1 fragment, N-terminal / Myosin N-terminal SH3-like domain profile. / Myosin, N-terminal, SH3-like / Short calmodulin-binding motif containing conserved Ile and Gln residues. / Myosin head (motor domain) / Myosin. Large ATPases. / Myosin motor domain profile. / Myosin head, motor domain / IQ motif profile. / IQ motif, EF-hand binding site / Kinesin motor domain superfamily / EF-hand / Recoverin; domain 1 / Four Helix Bundle (Hemerythrin (Met), subunit A) / Methane Monooxygenase Hydroxylase; Chain G, domain 1 / EF-hand, calcium binding motif / EF-hand calcium-binding domain profile. / EF-hand domain / EF-hand domain pair / Arc Repressor Mutant, subunit A / Up-down Bundle / P-loop containing nucleoside triphosphate hydrolase / Orthogonal Bundle / 3-Layer(aba) Sandwich / Mainly Alpha / Alpha Beta
Similarity search - Domain/homology
Myosin light polypeptide 6 / ADENOSINE-5'-DIPHOSPHATE / TETRAFLUOROALUMINATE ION / Myosin-11
Similarity search - Component
Biological speciesGallus gallus (chicken)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 3.5 Å
AuthorsDominguez, R. / Trybus, K.M. / Cohen, C.
CitationJournal: Cell(Cambridge,Mass.) / Year: 1998
Title: Crystal structure of a vertebrate smooth muscle myosin motor domain and its complex with the essential light chain: visualization of the pre-power stroke state.
Authors: Dominguez, R. / Freyzon, Y. / Trybus, K.M. / Cohen, C.
History
DepositionAug 26, 1998-
Revision 1.0Sep 9, 1998Provider: repository / Type: Initial release
Revision 1.1Mar 24, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: MYOSIN
B: MYOSIN
C: MYOSIN
D: MYOSIN
E: MYOSIN
F: MYOSIN
G: MYOSIN
H: MYOSIN
hetero molecules


Theoretical massNumber of molelcules
Total (without water)444,49920
Polymers442,2818
Non-polymers2,21812
Water1448
1
A: MYOSIN
B: MYOSIN
hetero molecules


Theoretical massNumber of molelcules
Total (without water)111,1255
Polymers110,5702
Non-polymers5543
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area5380 Å2
ΔGint-40 kcal/mol
Surface area43500 Å2
MethodPISA
2
C: MYOSIN
D: MYOSIN
hetero molecules


Theoretical massNumber of molelcules
Total (without water)111,1255
Polymers110,5702
Non-polymers5543
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area5390 Å2
ΔGint-40 kcal/mol
Surface area43480 Å2
MethodPISA
3
E: MYOSIN
F: MYOSIN
hetero molecules


Theoretical massNumber of molelcules
Total (without water)111,1255
Polymers110,5702
Non-polymers5543
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area5330 Å2
ΔGint-39 kcal/mol
Surface area43470 Å2
MethodPISA
4
G: MYOSIN
H: MYOSIN
hetero molecules


Theoretical massNumber of molelcules
Total (without water)111,1255
Polymers110,5702
Non-polymers5543
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area5220 Å2
ΔGint-38 kcal/mol
Surface area43690 Å2
MethodPISA
Unit cell
γ
α
β
Length a, b, c (Å)95.320, 144.660, 147.290
Angle α, β, γ (deg.)111.21, 106.10, 92.58
Int Tables number1
Space group name H-MP1
Noncrystallographic symmetry (NCS)NCS oper:
IDCodeMatrixVector
1given(0.6363, 0.75992, 0.13279), (0.76597, -0.64282, 0.0083), (0.09167, 0.09643, -0.99111)74.9191, 36.46862, 57.02822
2given(0.70704, 0.66821, 0.23147), (-0.68772, 0.72596, 0.00498), (-0.16471, -0.16271, 0.97283)-16.38862, -10.04698, 82.88082
3given(0.996, 0.08267, -0.0339), (0.08523, -0.99292, 0.08269), (-0.02683, -0.08525, -0.996)45.17225, 81.93243, 9.46068
4given(0.61864, 0.77441, 0.1326), (0.77983, -0.62578, 0.01639), (0.09567, 0.09326, -0.99103)74.12373, 36.34917, 57.19003
5given(0.67874, 0.68734, 0.25861), (-0.71277, 0.70137, 0.00661), (-0.17684, -0.18882, 0.96596)-17.56703, -9.98185, 83.36942
6given(0.99938, 0.02385, 0.02598), (0.01912, -0.98541, 0.16909), (0.02964, -0.16849, -0.98526)46.73965, 80.05285, 13.2112

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Components

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Protein , 2 types, 8 molecules ACEGBDFH

#1: Protein
MYOSIN / / MDE


Mass: 93697.180 Da / Num. of mol.: 4
Fragment: CHAINS A, C, E, G, MOTOR DOMAIN, CHAINS B, D, F, H, ESSENTIAL LIGHT
Source method: isolated from a genetically manipulated source
Details: MG, ADP, ALF(4) / Source: (gene. exp.) Gallus gallus (chicken) / Tissue: SMOOTH MUSCLE / Cell line: SF9 / Organ: GIZZARD / Cell line (production host): SF9 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: P10587, EC: 3.6.1.32
#2: Protein
MYOSIN / / MDE


Mass: 16873.025 Da / Num. of mol.: 4
Fragment: CHAINS A, C, E, G, MOTOR DOMAIN, CHAINS B, D, F, H, ESSENTIAL LIGHT
Source method: isolated from a genetically manipulated source
Details: MG, ADP, ALF(4) / Source: (gene. exp.) Gallus gallus (chicken) / Tissue: SMOOTH MUSCLE / Cell line: SF9 / Organ: GIZZARD / Cell line (production host): SF9 / Production host: Spodoptera frugiperda (fall armyworm) / References: UniProt: P02607, EC: 3.6.1.32

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Non-polymers , 4 types, 20 molecules

#3: Chemical
ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Mg
#4: Chemical
ChemComp-ALF / TETRAFLUOROALUMINATE ION


Mass: 102.975 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: AlF4
#5: Chemical
ChemComp-ADP / ADENOSINE-5'-DIPHOSPHATE / Adenosine diphosphate


Mass: 427.201 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C10H15N5O10P2 / Comment: ADP, energy-carrying molecule*YM
#6: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 8 / Source method: isolated from a natural source / Formula: H2O

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 4 Å3/Da / Density % sol: 70 %
Crystal growTemperature: 277 K / pH: 7.2
Details: 1.8M AMMONIUM SULFATE 100MM HEPES PH 7.2 2MM MGADP 2MM AL(NO3)3 8MM NAF PROTEIN CONCENTRATION: 10MG/ML TEMPERATURE: 4 DEGREES CENTIGRADE, temperature 277K
Crystal grow
*PLUS
Temperature: 4 ℃ / Method: vapor diffusion, hanging drop
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDChemical formula
110 mg/mlprotein1drop
22 mMMgADP1drop
32 mMberyllium(SIGMA)1drop
48 mM1dropNaF
51.8 Mammonium sulfate1reservoir
6100 mMHEPES1reservoir

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: CHESS / Beamline: A1 / Wavelength: 0.905
DetectorDetector: CCD / Date: May 1, 1997
RadiationMonochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.905 Å / Relative weight: 1
ReflectionResolution: 3.5→20 Å / Num. obs: 79993 / % possible obs: 91.7 % / Redundancy: 4.7 % / Rsym value: 0.088 / Net I/σ(I): 21.6
Reflection shellResolution: 3.5→3.82 Å / Redundancy: 3.3 % / Mean I/σ(I) obs: 9.8 / Rsym value: 0.301 / % possible all: 90.2
Reflection
*PLUS
Num. measured all: 375967 / Rmerge(I) obs: 0.088
Reflection shell
*PLUS
% possible obs: 90.2 % / Rmerge(I) obs: 0.301

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Processing

Software
NameVersionClassification
X-PLOR3.851model building
X-PLOR3.851refinement
DENZOdata reduction
SCALEPACKdata scaling
X-PLOR3.851phasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: SMOOTH MUSCLE MYOSIN MOTOR DOMAIN

Resolution: 3.5→10 Å / Data cutoff high absF: 0 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0
RfactorNum. reflection% reflectionSelection details
Rfree0.305 -5 %RANDOM
Rwork0.227 ---
obs0.227 76805 91.5 %-
Displacement parametersBiso mean: 50.9 Å2
Refine analyzeLuzzati coordinate error free: 0.6 Å
Refinement stepCycle: LAST / Resolution: 3.5→10 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms30004 0 140 8 30152
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_bond_d0.01
X-RAY DIFFRACTIONx_bond_d_na
X-RAY DIFFRACTIONx_bond_d_prot
X-RAY DIFFRACTIONx_angle_d
X-RAY DIFFRACTIONx_angle_d_na
X-RAY DIFFRACTIONx_angle_d_prot
X-RAY DIFFRACTIONx_angle_deg1.3
X-RAY DIFFRACTIONx_angle_deg_na
X-RAY DIFFRACTIONx_angle_deg_prot
X-RAY DIFFRACTIONx_dihedral_angle_d27.7
X-RAY DIFFRACTIONx_dihedral_angle_d_na
X-RAY DIFFRACTIONx_dihedral_angle_d_prot
X-RAY DIFFRACTIONx_improper_angle_d0.7
X-RAY DIFFRACTIONx_improper_angle_d_na
X-RAY DIFFRACTIONx_improper_angle_d_prot
X-RAY DIFFRACTIONx_mcbond_it
X-RAY DIFFRACTIONx_mcangle_it
X-RAY DIFFRACTIONx_scbond_it
X-RAY DIFFRACTIONx_scangle_it
Refine LS restraints NCSNCS model details: RESTRAINTS
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PROTEIN_REP.PARAMTOPHCSDX.PRO
X-RAY DIFFRACTION2
Software
*PLUS
Name: X-PLOR / Version: 3.851 / Classification: refinement
Refinement
*PLUS
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_dihedral_angle_d
X-RAY DIFFRACTIONx_dihedral_angle_deg27.7
X-RAY DIFFRACTIONx_improper_angle_d
X-RAY DIFFRACTIONx_improper_angle_deg0.7

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