2XNX	Cell Adhesion	date	Aug 06, 2010
title	Bc1 Fragment Of Streptococcal M1 Protein In Complex With Hum Fibrinogen
authors	P.Macheboeuf, C.Y Fu, A.S.Zinkernagel, J.E.Johnson, V.Nizet, P.Gh
compound		source
Molecule: Fibrinogen Alpha Chain Chain: A, D, G, J Fragment: Fragment D, Residues 130-216 Synonym: Human Fibrinogen		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606
Molecule: Fibrinogen Beta Chain Chain: B, E, H, K Fragment: Fragment D, Residues 164-491 Synonym: Human Fibrinogen		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606
Molecule: Fibrinogen Gamma Chain Chain: C, F, I, L Fragment: Fragment D, Residues 114-432 Synonym: Human Fibrinogen		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606
Molecule: M Protein Chain: M, N Fragment: Bc1 Fragment Of M1, Residues 128-263 Synonym: M1-Bc1 Engineered: Yes		Organism_scientific: Streptococcus Pyogenes Organism_common: Group A Streptococcus Organism_taxid: 1314 Strain: 5448 Expression_system: Escherichia Coli Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_vector: Pet28b
symmetry	Space Group: P 1 21 1	R_factor 0.277 R_Free 0.325
crystal cell	length a length b length c angle alpha angle beta angle gamma 112.723 216.866 140.807 90.00 102.54 90.00
method	X-Ray Diffraction	resolution	3.30 Å
Gene Ontology	Chain Function Process Component F, C, I, L eukaryotic cell surface bind... metal ion binding platelet degranulation blood coagulation hemostasis platelet activation response to calcium ion extracellular region fibrinogen complex extracellular space plasma membrane cell cortex external side of plasma memb... platelet alpha granule platelet alpha granule lumen... blood microparticle K, E, B, H eukaryotic cell surface bind... chaperone binding platelet degranulation blood coagulation hemostasis platelet activation response to calcium ion extracellular region fibrinogen complex extracellular space plasma membrane cell cortex external side of plasma memb... platelet alpha granule platelet alpha granule lumen... blood microparticle
Primary reference	Streptococcal M1 protein constructs a pathological host fibrinogen network., Macheboeuf P, Buffalo C, Fu CY, Zinkernagel AS, Cole JN, Johnson JE, Nizet V, Ghosh P, Nature. 2011 Apr 7;472(7341):64-8. PMID:21475196

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (456 Kb) [Save to disk] Biological Unit Coordinates (2xnx.pdb1.gz) 447 Kb CSU: Contacts of Structural Units for 2XNX Structure Factors (4810 Kb) Retrieve 2XNX in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2XNX from S2C, [Save to disk] Re-refined 2xnx structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2XNX 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. On AstexViewer, from MSD-EBI (viewer documentation). On RasMol (Install RasMol freeware) Here's help on how to use RasMol.

Visual 3D analysis of 2XNX

Cartoon representation from PDB Cartoon 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 Crystal Contacts, from CryCo at Weizmann Institute 3D motif for 2XNX, from MSDmotif at EBI Fold representative 2xnx from FSSP and Dali (Families of Structurally Similar Proteins)

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2xnx_A] [2xnx_B] [2xnx_C] [2xnx_D] [2xnx_E] [2xnx_F] [2xnx_G] [2xnx_H] [2xnx_I] [2xnx_J] [2xnx_K] [2xnx_L] [2xnx_M] [2xnx_N] SWISS-PROT database: Domain organization of by SWISSPFAM Alignments of the sequence of 2XNX with the sequences similar proteins can be viewed for 2XNX's classification at ProtoMap. Click on "Neighbors List", then on the "See Alignments" button below the list. A sequence distance tree ("phylogenetic tree") can be viewed for 1ACL's classification at ProtoMap. Click on the Cluster number.

Other resources with information on 2XNX

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

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