1DHN	Pterin Binding	date	Mar 31, 1998
title	1.65 Angstrom Resolution Structure Of 7,8-Dihydroneopterin A From Staphylococcus Aureus
authors	M.Hennig, A.D'Arcy, I.C.Hampele, M.G.P.Page, C.H.Oefner, G.Dale
compound		source
Molecule: 7,8-Dihydroneopterin Aldolase Chain: A Synonym: Dhna Engineered: Yes Other_details: Octamer Is Crystallographic		Organism_scientific: Staphylococcus Aureus Organism_taxid: 1280 Atcc: Atcc 25923 Collection: Atcc 25923 Gene: Dhna Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: M15 (Prep4) Expression_system_vector_type: Pds56rbsii Expression_system_plasmid: Psadhna
symmetry	Space Group: I 4 2 2	R_factor 0.197 R_Free 0.252
crystal cell	length a length b length c angle alpha angle beta angle gamma 61.300 61.300 124.200 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.65 Å
note	1DHN is a representative structure
related structures	by homologous chain: 1RRI
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal structure and reaction mechanism of 7,8-dihydroneopterin aldolase from Staphylococcus aureus., Hennig M, D'Arcy A, Hampele IC, Page MG, Oefner C, Dale GE, Nat Struct Biol 1998 May;5(5):357-62. PMID:9586996

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (26 Kb) [Save to disk] Biological Unit Coordinates (1dhn.pdb1.gz) 170 Kb CSU: Contacts of Structural Units for 1DHN Likely Quarternary Molecular Structure file(s) for 1DHN Retrieve 1DHN in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1DHN from S2C, [Save to disk]

View 1DHN 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 1DHN

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1DHN, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1dhn__, region [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: [1dhn_A] [1dhn] SWISS-PROT database: [P56740] Domain organization of [FOLB_STAAU] by SWISSPFAM Domain found in 1DHN: [FolB ] by SMART

Other resources with information on 1DHN

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

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