1MG1	Viral Protein	date	Mar 01, 1999
title	Htlv-1 Gp21 Ectodomainmaltose-Binding Protein Chimera
authors	B.Kobe, R.J.Center, B.E.Kemp, P.Poumbourios
compound		source
Molecule: Protein (Htlv-1 Gp21 Ectodomainmaltose-Binding P Chimera); Chain: A Fragment: Gp21 Ectodomain (Gp62 Residues 338-425) Engineered: Yes		Organism_scientific: Human T-Lymphotropic Virus 1 Organism_taxid: 11908 Strain: 3-19-3 Cellular_location: Virus Envelope Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21 (De3plyss) Expression_system_vector: Pmal-C2
symmetry	Space Group: H 3	R_factor 0.223 R_Free 0.305
crystal cell	length a length b length c angle alpha angle beta angle gamma 102.947 102.947 118.005 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.50 Å
ligand	CL, GLC	enzyme
related structures	by homologous chain: 1JVX, 1N3X
Gene Ontology	Chain Function Process Component A carbohydrate transmembrane t...
Primary reference	Crystal structure of human T cell leukemia virus type 1 gp21 ectodomain crystallized as a maltose-binding protein chimera reveals structural evolution of retroviral transmembrane proteins., Kobe B, Center RJ, Kemp BE, Poumbourios P, Proc Natl Acad Sci U S A 1999 Apr 13;96(8):4319-24. PMID:10200260

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (76 Kb) [Save to disk] Biological Unit Coordinates (1mg1.pdb1.gz) 209 Kb LPC: Ligand-Protein Contacts for 1MG1 CSU: Contacts of Structural Units for 1MG1 Likely Quarternary Molecular Structure file(s) for 1MG1 Retrieve 1MG1 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1MG1 from S2C, [Save to disk]

View 1MG1 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 1MG1

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1MG1, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1mg1a2, region A:371-455 [Jmol] [rasmolscript] [script source]     - Domain d1mg1a1, region A:6-370 [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1mg1] [1mg1_A] SWISS-PROT database: [P0AEX9] Belongs to the atp-binding cassette (abc) superfamily according to TCDB. Domain organization of [MALE_ECOLI] by SWISSPFAM

Other resources with information on 1MG1

Community annotation for 1MG1 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Domain movements in 1MG1 from the Database of Macromolecular Movements. Images from IMB Jena Image Library of Biological Macromolecules.

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