1YMS	Hydrolase	date	Jan 21, 2005
title	X-Ray Crystallographic Structure Of Ctx-M-9 Beta-Lactamase C With Nafcinin-Like Boronic Acid Inhibitor
authors	Y.Chen, B.Shoichet, R.Bonnet
compound		source
Molecule: Beta-Lactamase Ctx-M-9 Chain: A, B Ec: 3.5.2.6 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Ctx-M Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet-9a
symmetry	Space Group: P 1 21 1	R_factor 0.157 R_Free 0.193
crystal cell	length a length b length c angle alpha angle beta angle gamma 45.260 106.825 47.867 90.00 101.74 90.00
method	X-Ray Diffraction	resolution	1.60 Å
ligand	NBF	enzyme	Hydrolase E.C.3.5.2.6 BRENDA
related structures	by homologous chain: 1IYS, 1YLZ
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structure, function, and inhibition along the reaction coordinate of CTX-M beta-lactamases., Chen Y, Shoichet B, Bonnet R, J Am Chem Soc 2005 Apr 20;127(15):5423-34. PMID:15826180

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (98 Kb) [Save to disk] Biological Unit Coordinates (1yms.pdb1.gz) 47 Kb Biological Unit Coordinates (1yms.pdb2.gz) 49 Kb LPC: Ligand-Protein Contacts for 1YMS CSU: Contacts of Structural Units for 1YMS Likely Quarternary Molecular Structure file(s) for 1YMS Structure Factors (721 Kb) Retrieve 1YMS in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1YMS from S2C, [Save to disk] Re-refined 1yms structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1YMS 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 1YMS

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 1YMS, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1yms_B] [1yms] [1yms_A] SWISS-PROT database: [Q9L5C8] Domain organization of [Q9L5C8_ECOLX] by SWISSPFAM

Other resources with information on 1YMS

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

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