2HLP	Oxidoreductase	date	Apr 23, 1999
title	Crystal Structure Of The E267r Mutant Of A Halophilic Malate Dehydrogenase In The Apo Form
authors	S.B.Richard, D.Madern, E.Garcin, G.Zaccai
compound		source
Molecule: Malate Dehydrogenase Chain: A, B Ec: 1.1.1.37 Engineered: Yes Mutation: Yes		Organism_scientific: Haloarcula Marismortui Organism_taxid: 2238 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_plasmid: Pet11a
symmetry	Space Group: C 2 2 21	R_factor 0.194 R_Free 0.236
crystal cell	length a length b length c angle alpha angle beta angle gamma 114.160 129.980 123.450 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.59 Å
ligand	CL, NA	enzyme	Oxidoreductase E.C.1.1.1.37 BRENDA
related structures	by homologous chain: 1GT2, 1O6Z
Gene Ontology	Chain Function Process Component A, B
Primary reference	Halophilic adaptation: novel solvent protein interactions observed in the 2.9 and 2.6 A resolution structures of the wild type and a mutant of malate dehydrogenase from Haloarcula marismortui., Richard SB, Madern D, Garcin E, Zaccai G, Biochemistry 2000 Feb 8;39(5):992-1000. PMID:10653643

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (101 Kb) [Save to disk] Biological Unit Coordinates (2hlp.pdb1.gz) 191 Kb LPC: Ligand-Protein Contacts for 2HLP CSU: Contacts of Structural Units for 2HLP Likely Quarternary Molecular Structure file(s) for 2HLP Structure Factors (271 Kb) Retrieve 2HLP in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2HLP from S2C, [Save to disk] Re-refined 2hlp structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2HLP 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 2HLP

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 2HLP, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d2hlpa2, region A:163-330 [Jmol] [rasmolscript] [script source]     - Domain d2hlpa1, region A:22-162 [Jmol] [rasmolscript] [script source]     - Domain d2hlpb2, region B:163-330 [Jmol] [rasmolscript] [script source]     - Domain d2hlpb1, region B:22-162 [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: [2hlp] [2hlp_A] [2hlp_B] SWISS-PROT database: [Q07841] Domain organization of [MDH_HALMA] by SWISSPFAM

Other resources with information on 2HLP

Community annotation for 2HLP at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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