1MH4	Sugar Binding, Dna Binding Protein	date	Aug 19, 2002
title	Maltose Binding-A1 Homeodomain Protein Chimera, Crystal Form
authors	A.Ke, C.Wolberger
compound		source
Molecule: Maltose Binding-A1 Homeodomain Protein Chimera Chain: A Synonym: Mata1 Homeodomain-Maltose Binding Protein Chimera Engineered: Yes Mutation: Yes Other_details: Chimera Consisting Of Residues 1-366 (Sequen Database Residues 27-392) Of Maltose-Binding Periplasmic Pr Alanine Linker, And Residues 477-526 (Sequence Database Res 126) Of Homeobox Of Mating-Type Protein A-1.		Organism_scientific: Escherichia Coli, Saccharomyces Cerevi Organism_common: , Baker'S Yeast Organism_taxid: 562, 4932 Strain: , Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21 Codon Plus Expression_system_vector_type: Plasmid Expression_system_plasmid: Pmal-C2 With Modifications At Th Linker
symmetry	Space Group: P 21 21 21	R_factor 0.243 R_Free 0.293
crystal cell	length a length b length c angle alpha angle beta angle gamma 50.254 88.705 96.159 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.30 Å
related structures	by homologous chain: 1FQC, 1HSJ, 1LE8
Gene Ontology	Chain Function Process Component A carbohydrate transmembrane t...
Primary reference	Insights into binding cooperativity of MATa1/MATalpha2 from the crystal structure of a MATa1 homeodomain-maltose binding protein chimera., Ke A, Wolberger C, Protein Sci 2003 Feb;12(2):306-12. PMID:12538894

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (71 Kb) [Save to disk] Biological Unit Coordinates (1mh4.pdb1.gz) 67 Kb CSU: Contacts of Structural Units for 1MH4 Likely Quarternary Molecular Structure file(s) for 1MH4 Structure Factors (196 Kb) Retrieve 1MH4 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1MH4 from S2C, [Save to disk] Re-refined 1mh4 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1MH4 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 1MH4

Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1MH4, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1mh4a2, region A:1-366 [Jmol] [rasmolscript] [script source]     - Domain d1mh4a1, region A:472-523 [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: [1mh4] [1mh4_A] SWISS-PROT database: [P0AEX9] [P01366] Belongs to the atp-binding cassette (abc) superfamily according to TCDB. Domain organization of [MALE_ECOLI] [MATA1_YEAST] by SWISSPFAM Domain found in 1MH4: [HOX ] by SMART

Other resources with information on 1MH4

Community annotation for 1MH4 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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