5E9A	Hydrolase	date	Oct 14, 2015
title	Crystal Structure Analysis Of The Cold-Adamped Beta-Galactos Rahnella Sp. R3
authors	Y.Z.Zhang, Y.T.Fan
compound		source
Molecule: Beta-Galactosidase Chain: A, B, C, D, E, F Synonym: Beta-Gal Ec: 3.2.1.23 Engineered: Yes		Organism_scientific: Rahnella Sp. R3 Organism_taxid: 1591056 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pcold1
symmetry	Space Group: P 1 21 1	R_factor 0.199 R_Free 0.247
crystal cell	length a length b length c angle alpha angle beta angle gamma 146.426 106.831 164.244 90.00 109.00 90.00
method	X-Ray Diffraction	resolution	2.56 Å
ligand	ACT, ZN	enzyme	Hydrolase E.C.3.2.1.23 BRENDA
Gene Ontology	Chain Function Process Component F, A, D, C, E, B
Primary reference	Cloning, expression and structural stability of a cold-adapted beta-galactosidase from Rahnella sp. R3., Fan Y, Hua X, Zhang Y, Feng Y, Shen Q, Dong J, Zhao W, Zhang W, Jin Z, Yang R, Protein Expr Purif. 2015 Nov;115:158-64. doi: 10.1016/j.pep.2015.07.001. Epub, 2015 Jul 3. PMID:26145832

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (651 Kb) [Save to disk] Biological Unit Coordinates (5e9a.pdb1.gz) 325 Kb Biological Unit Coordinates (5e9a.pdb2.gz) 327 Kb LPC: Ligand-Protein Contacts for 5E9A CSU: Contacts of Structural Units for 5E9A Structure Factors (3341 Kb) Retrieve 5E9A in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 5E9A from S2C, [Save to disk] Re-refined 5e9a structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 5E9A 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 5E9A

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

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [5e9a_D] [5e9a] [5e9a_A] [5e9a_C] [5e9a_F] [5e9a_B] [5e9a_E] SWISS-PROT database: Domain organization of by SWISSPFAM

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