1L7V	Transport Protein Hydrolase	date	Mar 18, 2002
title	Bacterial Abc Transporter Involved In B12 Uptake
authors	K.P.Locher, A.T.Lee, D.C.Rees
compound		source
Molecule: Vitamin B12 Transport System Permease Protein Btuc; Chain: A, B Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Btuc Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Vitamin B12 Transport Atp-Binding Protein Btud Chain: C, D Synonym: Vitamin B12-Transporting Atpase Ec: 3.6.3.33 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Btud Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 1 21 1	R_factor 0.262 R_Free 0.286
crystal cell	length a length b length c angle alpha angle beta angle gamma 92.990 106.292 95.543 90.00 99.29 90.00
method	X-Ray Diffraction	resolution	3.20 Å
ligand	MSE, V4O	enzyme	Hydrolase E.C.3.6.3.33 BRENDA
Gene Ontology	Chain Function Process Component A, B transmembrane transporter ac... vitamin transmembrane transp... D, C ATPase activity, coupled to ...
Primary reference	The E. coli BtuCD structure: a framework for ABC transporter architecture and mechanism., Locher KP, Lee AT, Rees DC, Science 2002 May 10;296(5570):1091-8. PMID:12004122

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (180 Kb) [Save to disk] Biological Unit Coordinates (1l7v.pdb1.gz) 171 Kb LPC: Ligand-Protein Contacts for 1L7V CSU: Contacts of Structural Units for 1L7V Likely Quarternary Molecular Structure file(s) for 1L7V Retrieve 1L7V in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1L7V from S2C, [Save to disk]

View 1L7V 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 1L7V

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1L7V, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1l7va_, region A [Jmol] [rasmolscript] [script source]     - Domain d1l7vb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1l7vc_, region C [Jmol] [rasmolscript] [script source]     - Domain d1l7vd_, region D [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1l7v_C] [1l7v] [1l7v_A] [1l7v_D] [1l7v_B] SWISS-PROT database: [P06609] [P06611] Belongs to the atp-binding cassette (abc) superfamily according to TCDB. Domain organization of [BTUC_ECOLI] [BTUD_ECOLI] by SWISSPFAM Domain found in 1L7V: [AAA ] by SMART

Other resources with information on 1L7V

Community annotation for 1L7V at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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