3FN9	Hydrolase	date	Dec 23, 2008
title	Crystal Structure Of Putative Beta-Galactosidase From Bacter Fragilis
authors	U.A.Ramagopal, R.Toro, S.K.Burley, S.C.Almo, New York Sgx Resear For Structural Genomics (Nysgxrc)
compound		source
Molecule: Putative Beta-Galactosidase Chain: A, B, C, D Fragment: Unp Residues 23-703 Ec: 3.2.1.23 Engineered: Yes		Organism_scientific: Bacteroides Fragilis Organism_taxid: 272559 Strain: Nctc 9343 Atcc: 25285 Gene: Bf0029 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Bc-Psgx4(Bc)
symmetry	Space Group: P 21 21 21	R_factor 0.201 R_Free 0.270
crystal cell	length a length b length c angle alpha angle beta angle gamma 109.453 133.066 221.192 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.70 Å
ligand	CL	enzyme	Hydrolase E.C.3.2.1.23 BRENDA
Gene Ontology	Chain Function Process Component A, D, C, B

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (431 Kb) [Save to disk] Biological Unit Coordinates (3fn9.pdb1.gz) 320 Kb Biological Unit Coordinates (3fn9.pdb2.gz) 320 Kb Biological Unit Coordinates (3fn9.pdb3.gz) 635 Kb LPC: Ligand-Protein Contacts for 3FN9 CSU: Contacts of Structural Units for 3FN9 Likely Quarternary Molecular Structure file(s) for 3FN9 Structure Factors (2441 Kb) Retrieve 3FN9 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3FN9 from S2C, [Save to disk] Re-refined 3fn9 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3FN9 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 3FN9

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 3FN9, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3fn9_A] [3fn9_C] [3fn9_D] [3fn9_B] [3fn9] SWISS-PROT database: [Q5LJ68] Domain organization of [Q5LJ68_BACFN] by SWISSPFAM

Other resources with information on 3FN9

Community annotation for 3FN9 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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