5EQ4	Sugar Binding Protein	date	Nov 12, 2015
title	Crystal Structure Of The Srpa Adhesin R347e Mutant From Stre Sanguinis
authors	L.V.Loukachevitch, K.M.Mcculloch, K.R.Vann, Z.Wawrzak, S.Anderso T.M.Iverson
compound		source
Molecule: Platelet-Binding Glycoprotein Chain: A, B, C, D Engineered: Yes Mutation: Yes		Organism_scientific: Streptococcus Sanguinis Organism_taxid: 388919 Strain: Sk36 Gene: Srpa, Ssa_0829 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21 Gold (De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pgex3x
symmetry	Space Group: P 21 21 21	R_factor 0.202 R_Free 0.257
crystal cell	length a length b length c angle alpha angle beta angle gamma 44.700 88.055 199.214 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand	ACT, CA	enzyme
Gene	SSA
Primary reference	Structural Basis for Sialoglycan Binding by the Streptococcus sanguinis SrpA Adhesin., Bensing BA, Loukachevitch LV, McCulloch KM, Yu H, Vann KR, Wawrzak Z, Anderson S, Chen X, Sullam PM, Iverson TM, J Biol Chem. 2016 Feb 1. pii: jbc.M115.701425. PMID:26833566

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (142 Kb) [Save to disk] Biological Unit Coordinates (5eq4.pdb1.gz) 69 Kb Biological Unit Coordinates (5eq4.pdb2.gz) 36 Kb Biological Unit Coordinates (5eq4.pdb3.gz) 37 Kb LPC: Ligand-Protein Contacts for 5EQ4 CSU: Contacts of Structural Units for 5EQ4 Structure Factors (395 Kb) Retrieve 5EQ4 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 5EQ4 from S2C, [Save to disk] Re-refined 5eq4 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 5EQ4 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 5EQ4

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: [5eq4_A] [5eq4_C] [5eq4_D] [5eq4] [5eq4_B] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 5EQ4

Community annotation for 5EQ4 at PDBWiki (http://pdbwiki.org)

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