2BER	Hydrolase	date	Nov 30, 2004
title	Y370g Active Site Mutant Of The Sialidase From Micromonospor Viridifaciens In Complex With Beta-Neu5ac (Sialic Acid).
authors	S.Newstead, J.N.Watson, A.J.Bennet, G.L.Taylor
compound		source
Molecule: Bacterial Sialidase Chain: A Fragment: Residues 47-647 Synonym: Neuraminidase Ec: 3.2.1.18 Engineered: Yes Mutation: Yes		Organism_scientific: Micromonospora Viridifaciens Organism_taxid: 1881 Atcc: 31146 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_plasmid: Pet28a
symmetry	Space Group: P 1 21 1	R_factor 0.140 R_Free 0.199
crystal cell	length a length b length c angle alpha angle beta angle gamma 55.440 49.535 107.041 90.00 101.74 90.00
method	X-Ray Diffraction	resolution	1.80 Å
ligand	NA, SLB	enzyme	Hydrolase E.C.3.2.1.18 BRENDA
related structures	by homologous chain: 1EUR, 1W8O
Gene Ontology	Chain Function Process Component A
Primary reference	Structure and mechanism of action of an inverting mutant sialidase., Newstead S, Watson JN, Knoll TL, Bennet AJ, Taylor G, Biochemistry. 2005 Jun 28;44(25):9117-22. PMID:15966735

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (112 Kb) [Save to disk] Biological Unit Coordinates (2ber.pdb1.gz) 106 Kb LPC: Ligand-Protein Contacts for 2BER CSU: Contacts of Structural Units for 2BER Likely Quarternary Molecular Structure file(s) for 2BER Structure Factors (749 Kb) Retrieve 2BER in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2BER from S2C, [Save to disk] Re-refined 2ber structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2BER 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 2BER

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 2BER, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2ber] [2ber_A] SWISS-PROT database: [Q02834] Domain organization of [NANH_MICVI] by SWISSPFAM Domain found in 2BER: [FA58C ] by SMART

Other resources with information on 2BER

Community annotation for 2BER at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Images from IMB Jena Image Library of Biological Macromolecules.

You may enter another PDB ID code

Go [Back], to the [PDB Lite page], to the [OCA Search page] or to the [PDB Home page]

---

OCA© by Jaime Prilusky, 1996-2014,2022 Bioinformatics Unit Weizmann Institute of Science

---