1BR1	Muscle Protein	date	Aug 26, 1998
title	Smooth Muscle Myosin Motor Domain-Essential Light Chain Comp Mgadp.Alf4 Bound At The Active Site
authors	R.Dominguez, K.M.Trybus, C.Cohen
compound		source
Molecule: Myosin Chain: A, C, E, G Fragment: Chains A, C, E, G, Motor Domain, Chains B, D, F, Essential Light; Synonym: Mde Ec: 3.6.1.32 Engineered: Yes Other_details: Mg, Adp, Alf(4)		Organism_scientific: Gallus Gallus Organism_common: Chicken Organism_taxid: 9031 Cell_line: Sf9 Organ: Gizzard Tissue: Smooth Muscle Expression_system: Spodoptera Frugiperda Expression_system_common: Fall Armyworm Expression_system_taxid: 7108 Expression_system_cell_line: Sf9 Expression_system_vector: Baculovirus
Molecule: Myosin Chain: B, D, F, H Fragment: Chains A, C, E, G, Motor Domain, Chains B, D, F, Essential Light; Synonym: Mde Ec: 3.6.1.32 Engineered: Yes Other_details: Mg, Adp, Alf(4)		Organism_scientific: Gallus Gallus Organism_common: Chicken Organism_taxid: 9031 Cell_line: Sf9 Organ: Gizzard Tissue: Smooth Muscle Expression_system: Spodoptera Frugiperda Expression_system_common: Fall Armyworm Expression_system_taxid: 7108 Expression_system_cell_line: Sf9 Expression_system_vector: Baculovirus
symmetry	Space Group: P 1	R_factor 0.227 R_Free 0.305
crystal cell	length a length b length c angle alpha angle beta angle gamma 95.320 144.660 147.290 111.21 106.10 92.58
method	X-Ray Diffraction	resolution	3.50 Å
ligand	ADP, ALF, MG	enzyme	Hydrolase E.C.3.6.1.32 BRENDA
note	1BR1 (Molecule of the Month:pdb18)
Gene Ontology	Chain Function Process Component A, E, C, G F, B, H, D
Primary reference	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., Dominguez R, Freyzon Y, Trybus KM, Cohen C, Cell 1998 Sep 4;94(5):559-71. PMID:9741621

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (550 Kb) [Save to disk] Biological Unit Coordinates (1br1.pdb1.gz) 140 Kb Biological Unit Coordinates (1br1.pdb2.gz) 141 Kb Biological Unit Coordinates (1br1.pdb3.gz) 142 Kb Biological Unit Coordinates (1br1.pdb4.gz) 142 Kb LPC: Ligand-Protein Contacts for 1BR1 CSU: Contacts of Structural Units for 1BR1 Likely Quarternary Molecular Structure file(s) for 1BR1 Retrieve 1BR1 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1BR1 from S2C, [Save to disk]

View 1BR1 in 3D

Proteopedia, because life has more than 2D. On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure. On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.

Visual 3D analysis of 1BR1

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1BR1, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1br1a2, region A:2-33,A:80-821 [Jmol] [rasmolscript] [script source]     - Domain d1br1a1, region A:34-79 [Jmol] [rasmolscript] [script source]     - Domain d1br1b_, region B [Jmol] [rasmolscript] [script source]     - Domain d1br1c2, region C:2-33,C:80-821 [Jmol] [rasmolscript] [script source]     - Domain d1br1c1, region C:34-79 [Jmol] [rasmolscript] [script source]     - Domain d1br1d_, region D [Jmol] [rasmolscript] [script source]     - Domain d1br1e2, region E:2-33,E:80-821 [Jmol] [rasmolscript] [script source]     - Domain d1br1e1, region E:34-79 [Jmol] [rasmolscript] [script source]     - Domain d1br1f_, region F [Jmol] [rasmolscript] [script source]     - Domain d1br1g2, region G:2-33,G:80-821 [Jmol] [rasmolscript] [script source]     - Domain d1br1g1, region G:34-79 [Jmol] [rasmolscript] [script source]     - Domain d1br1h_, region H [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1br1_D] [1br1_H] [1br1_A] [1br1] [1br1_B] [1br1_E] [1br1_F] [1br1_C] [1br1_G] SWISS-PROT database: [P10587] [P02607] Domain organization of [MYH11_CHICK] [MYL6_CHICK] by SWISSPFAM Domains found in 1BR1: [EFh] [IQ] [MYSc ] by SMART

Other resources with information on 1BR1

Community annotation for 1BR1 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Domain movements in 1BR1 from the Database of Macromolecular Movements. Images from IMB Jena Image Library of Biological Macromolecules.

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