1Q23	Transferase	date	Jul 23, 2003
title	Crystal Structure Of Chloramphenicol Acetyltransferase I Com With Fusidic Acid At 2.18 A Resolution
authors	A.Roidis, M.Kokkinidis
compound		source
Molecule: Chloramphenicol Acetyltransferase Chain: A, B, C, D, E, F, G, H, I, J, K, L Ec: 2.3.1.28 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Cat Or Hcm1.206 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Le192 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pbr322
symmetry	Space Group: P 1 21 1	R_factor 0.192 R_Free 0.263
crystal cell	length a length b length c angle alpha angle beta angle gamma 115.354 129.198 118.073 90.00 108.30 90.00
method	X-Ray Diffraction	resolution	2.18 Å
ligand	CA, FUA	enzyme	Transferase E.C.2.3.1.28 BRENDA
related structures	by homologous chain: 1PD5
Gene Ontology	Chain Function Process Component F, A, J, K, E, B, H, C, D, I, G, L

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (448 Kb) [Save to disk] Biological Unit Coordinates (1q23.pdb1.gz) 115 Kb Biological Unit Coordinates (1q23.pdb2.gz) 114 Kb Biological Unit Coordinates (1q23.pdb3.gz) 115 Kb Biological Unit Coordinates (1q23.pdb4.gz) 112 Kb LPC: Ligand-Protein Contacts for 1Q23 CSU: Contacts of Structural Units for 1Q23 Likely Quarternary Molecular Structure file(s) for 1Q23 Structure Factors (1405 Kb) Retrieve 1Q23 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1Q23 from S2C, [Save to disk] Re-refined 1q23 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1Q23 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 1Q23

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 1Q23, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1q23a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1q23b_, region B [Jmol] [rasmolscript] [script source]     - Domain d1q23c_, region C [Jmol] [rasmolscript] [script source]     - Domain d1q23d_, region D [Jmol] [rasmolscript] [script source]     - Domain d1q23e_, region E [Jmol] [rasmolscript] [script source]     - Domain d1q23f_, region F [Jmol] [rasmolscript] [script source]     - Domain d1q23g_, region G [Jmol] [rasmolscript] [script source]     - Domain d1q23h_, region H [Jmol] [rasmolscript] [script source]     - Domain d1q23i_, region I [Jmol] [rasmolscript] [script source]     - Domain d1q23j_, region J [Jmol] [rasmolscript] [script source]     - Domain d1q23k_, region K [Jmol] [rasmolscript] [script source]     - Domain d1q23l_, region L [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: [1q23_K] [1q23_J] [1q23_F] [1q23] [1q23_D] [1q23_E] [1q23_A] [1q23_H] [1q23_C] [1q23_G] [1q23_B] [1q23_I] [1q23_L] SWISS-PROT database: [P62577] Domain organization of [CAT_ECOLX] by SWISSPFAM Domain found in 1Q23: [CAT ] by SMART

Other resources with information on 1Q23

Community annotation for 1Q23 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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Images from IMB Jena Image Library of Biological Macromolecules.

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