1N3S	Hydrolase	date	Oct 29, 2002
title	Biosynthesis Of Pteridins. Reaction Mechanism Of Gtp Cyclohy
authors	J.Rebelo, G.Auerbach, G.Bader, A.Bracher, H.Nar, C.Hoesl, N.Schram J.Kaiser, A.Bacher, R.Huber, M.Fischer
compound		source
Molecule: Gtp Cyclohydrolase I Chain: A, B, C, D, E, F, G, H, I, J Ec: 3.5.4.16 Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pnc0
symmetry	Space Group: P 43 21 2	R_factor 0.262 R_Free 0.293
crystal cell	length a length b length c angle alpha angle beta angle gamma 124.302 124.302 389.125 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.55 Å
ligand	GTP	enzyme	Hydrolase E.C.3.5.4.16 BRENDA
related structures	by homologous chain: 1A8R, 1FBX
Gene Ontology	Chain Function Process Component F, A, J, E, B, H, C, D, I, G
Primary reference	Biosynthesis of pteridines. Reaction mechanism of GTP cyclohydrolase I., Rebelo J, Auerbach G, Bader G, Bracher A, Nar H, Hosl C, Schramek N, Kaiser J, Bacher A, Huber R, Fischer M, J Mol Biol 2003 Feb 14;326(2):503-16. PMID:12559918

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (365 Kb) [Save to disk] Biological Unit Coordinates (1n3s.pdb1.gz) 178 Kb Biological Unit Coordinates (1n3s.pdb2.gz) 178 Kb Biological Unit Coordinates (1n3s.pdb3.gz) 350 Kb LPC: Ligand-Protein Contacts for 1N3S CSU: Contacts of Structural Units for 1N3S Likely Quarternary Molecular Structure file(s) for 1N3S Retrieve 1N3S in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1N3S from S2C, [Save to disk]

View 1N3S 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 1N3S

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1N3S, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1n3sa_, region A [Jmol] [rasmolscript] [script source]     - Domain d1n3sb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1n3sc_, region C [Jmol] [rasmolscript] [script source]     - Domain d1n3sd_, region D [Jmol] [rasmolscript] [script source]     - Domain d1n3se_, region E [Jmol] [rasmolscript] [script source]     - Domain d1n3sf_, region F [Jmol] [rasmolscript] [script source]     - Domain d1n3sg_, region G [Jmol] [rasmolscript] [script source]     - Domain d1n3sh_, region H [Jmol] [rasmolscript] [script source]     - Domain d1n3si_, region I [Jmol] [rasmolscript] [script source]     - Domain d1n3sj_, region J [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: [1n3s_F] [1n3s_A] [1n3s_I] [1n3s_E] [1n3s_H] [1n3s_B] [1n3s_G] [1n3s] [1n3s_D] [1n3s_C] [1n3s_J] SWISS-PROT database: [P0A6T5] Domain organization of [GCH1_ECOLI] by SWISSPFAM

Other resources with information on 1N3S

Community annotation for 1N3S at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Images from IMB Jena Image Library of Biological Macromolecules.

You may enter another PDB ID code

Go [Back], to the [PDB Lite page], to the [OCA Search page] or to the [PDB Home page]

---

OCA© by Jaime Prilusky, 1996-2014,2022 Bioinformatics Unit Weizmann Institute of Science

---