1ICI	Transcription	date	Apr 01, 2001
title	Crystal Structure Of A Sir2 Homolog-Nad Complex
authors	J.Min, J.Landry, R.Sternglanz, R.M.Xu
compound		source
Molecule: Transcriptional Regulatory Protein, Sir2 Family Chain: A, B Engineered: Yes		Organism_scientific: Archaeoglobus Fulgidus Organism_taxid: 2234 Gene: Af1676 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Xl1 Blue Expression_system_vector_type: Plasmid Expression_system_plasmid: Pqe30
symmetry	Space Group: C 1 2 1	R_factor 0.199 R_Free 0.249
crystal cell	length a length b length c angle alpha angle beta angle gamma 65.410 94.540 93.780 90.00 95.29 90.00
method	X-Ray Diffraction	resolution	2.10 Å
ligand	NAD, ZN	enzyme
related structures	by homologous chain: 1M2H, 1M2N
Gene Ontology	Chain Function Process Component A, B protein-malonyllysine demalo... protein-succinyllysine desuc...
Primary reference	Crystal structure of a SIR2 homolog-NAD complex., Min J, Landry J, Sternglanz R, Xu RM, Cell 2001 Apr 20;105(2):269-79. PMID:11336676

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (91 Kb) [Save to disk] Biological Unit Coordinates (1ici.pdb1.gz) 85 Kb Biological Unit Coordinates (1ici.pdb2.gz) 87 Kb Biological Unit Coordinates (1ici.pdb3.gz) 84 Kb LPC: Ligand-Protein Contacts for 1ICI CSU: Contacts of Structural Units for 1ICI Likely Quarternary Molecular Structure file(s) for 1ICI Structure Factors (425 Kb) Retrieve 1ICI in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1ICI from S2C, [Save to disk] Re-refined 1ici structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1ICI 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 1ICI

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 1ICI, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1icia_, region A [Jmol] [rasmolscript] [script source]     - Domain d1icib_, region B [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: [1ici_B] [1ici_A] [1ici] SWISS-PROT database: [O28597] Domain organization of [NPD1_ARCFU] by SWISSPFAM

Other resources with information on 1ICI

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

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