1NHT	Ligase	date	Jan 12, 1997
title	Entrapment Of 6-Thiophosphoryl-Imp In The Active Site Of Cry Adenylosuccinate Synthetase From Escherichia Coli Data Coll 100k
authors	B.W.Poland, C.A.Bruns, H.J.Fromm, R.B.Honzatko
compound		source
Molecule: Adenylosuccinate Synthetase Chain: A Ec: 6.3.4.4		Organism_scientific: Escherichia Coli Organism_taxid: 562 Strain: Pur A Strain H1238 Atcc: Coli Genetic Stock Center, Strain Number 5408 Other_details: A Gift From Dr. B. Bachman, Genetic Center, University
symmetry	Space Group: P 32 2 1	R_factor 0.206 R_Free 0.255
crystal cell	length a length b length c angle alpha angle beta angle gamma 80.540 80.540 158.150 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.50 Å
ligand	GDP, HDA, MG, PGS	enzyme	Ligase E.C.6.3.4.4 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	Entrapment of 6-thiophosphoryl-IMP in the active site of crystalline adenylosuccinate synthetase from Escherichia coli., Poland BW, Bruns C, Fromm HJ, Honzatko RB, J Biol Chem 1997 Jun 13;272(24):15200-5. PMID:9182542

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (110 Kb) [Save to disk] Biological Unit Coordinates (1nht.pdb1.gz) 206 Kb LPC: Ligand-Protein Contacts for 1NHT CSU: Contacts of Structural Units for 1NHT Likely Quarternary Molecular Structure file(s) for 1NHT Structure Factors (131 Kb) Retrieve 1NHT in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1NHT from S2C, [Save to disk] Re-refined 1nht structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1NHT 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 1NHT

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 1NHT, from MSDmotif at EBI Genome occurence of 1NHT's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1nht__, 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: [1nht_A] [1nht] SWISS-PROT database: [P0A7D4] Domain organization of [PURA_ECOLI] by SWISSPFAM Domain found in 1NHT: [Adenylsucc_synt ] by SMART

Other resources with information on 1NHT

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

Movements, Movies and Images

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

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