1NX6	Oxidoreductase	date	Feb 09, 2003
title	Crystal Structure Of Aspartate Semialdehyde Dehydrogenase Fr Haemophilus Influenzae As A Tetrahedral Hemithiocetal React Intermediate With Phosphate At 2.15 A
authors	J.Blanco, R.A.Moore, R.E.Viola
compound		source
Molecule: Aspartate-Semialdehyde Dehydrogenase Chain: A Synonym: Asa Dehydrogenase, Asadh Ec: 1.2.1.11 Engineered: Yes		Organism_scientific: Haemophilus Influenzae Organism_taxid: 727 Gene: Asd Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21de3 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet41a
symmetry	Space Group: P 21 21 2	R_factor 0.228 R_Free 0.284
crystal cell	length a length b length c angle alpha angle beta angle gamma 113.748 54.853 57.691 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.15 Å
ligand	HTI, PO4	enzyme	Oxidoreductase E.C.1.2.1.11 BRENDA
related structures	by homologous chain: 1PR3, 1TB4
Gene Ontology	Chain Function Process Component A
Primary reference	Capture of an intermediate in the catalytic cycle of L-aspartate-beta-semialdehyde dehydrogenase., Blanco J, Moore RA, Viola RE, Proc Natl Acad Sci U S A 2003 Oct 28;100(22):12613-7. Epub 2003 Oct 14. PMID:14559965

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (63 Kb) [Save to disk] Biological Unit Coordinates (1nx6.pdb1.gz) 59 Kb Biological Unit Coordinates (1nx6.pdb2.gz) 116 Kb LPC: Ligand-Protein Contacts for 1NX6 CSU: Contacts of Structural Units for 1NX6 Likely Quarternary Molecular Structure file(s) for 1NX6 Structure Factors (223 Kb) Retrieve 1NX6 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1NX6 from S2C, [Save to disk] Re-refined 1nx6 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1NX6 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 1NX6

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 1NX6, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1nx6a1, region A:1-133,A:358-371 [Jmol] [rasmolscript] [script source]     - Domain d1nx6a2, region A:134-357 [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1nx6] [1nx6_A] SWISS-PROT database: [P44801] Domain organization of [DHAS_HAEIN] by SWISSPFAM Domain found in 1NX6: [Semialdhyde_dh ] by SMART

Other resources with information on 1NX6

Community annotation for 1NX6 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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