1N3I	Transferase	date	Oct 28, 2002
title	Crystal Structure Of Mycobacterium Tuberculosis Pnp With Tra State Analog Dadme-Immh
authors	A.Lewandowicz, W.Shi, G.B.Evans, P.C.Tyler, R.H.Furneaux, L.A.Bas D.S.Santos, S.C.Almo, V.L.Schramm
compound		source
Molecule: Purine Nucleoside Phosphorylase Chain: A, B, C Synonym: Pnp Ec: 2.4.2.1 Engineered: Yes		Organism_scientific: Mycobacterium Tuberculosis Organism_taxid: 1773 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet-23a(+)
symmetry	Space Group: P 32 2 1	R_factor 0.183 R_Free 0.213
crystal cell	length a length b length c angle alpha angle beta angle gamma 102.842 102.842 128.763 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	1.90 Å
ligand	DIH, PO4	enzyme	Transferase E.C.2.4.2.1 BRENDA
related structures	by homologous chain: 1G2O, 1I80
Gene Ontology	Chain Function Process Component A, C, B
Primary reference	Over-the-barrier transition state analogues and crystal structure with Mycobacterium tuberculosis purine nucleoside phosphorylase., Lewandowicz A, Shi W, Evans GB, Tyler PC, Furneaux RH, Basso LA, Santos DS, Almo SC, Schramm VL, Biochemistry 2003 May 27;42(20):6057-66. PMID:12755607

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (125 Kb) [Save to disk] Biological Unit Coordinates (1n3i.pdb1.gz) 121 Kb LPC: Ligand-Protein Contacts for 1N3I CSU: Contacts of Structural Units for 1N3I Likely Quarternary Molecular Structure file(s) for 1N3I Retrieve 1N3I in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1N3I from S2C, [Save to disk]

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Visual 3D analysis of 1N3I

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Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1N3I, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1n3ia_, region A [Jmol] [rasmolscript] [script source]     - Domain d1n3ib_, region B [Jmol] [rasmolscript] [script source]     - Domain d1n3ic_, region C [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: [1n3i_C] [1n3i_A] [1n3i] [1n3i_B] SWISS-PROT database: [P0A538] Domain organization of [PUNA_MYCTU] by SWISSPFAM

Other resources with information on 1N3I

Community annotation for 1N3I at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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