3T4A	Immune System	date	Jul 25, 2011
title	Structure Of A Truncated Form Of Staphylococcal Complement I Bound To Human C3c At 3.4 Angstrom Resolution
authors	B.L.Garcia, B.V.Geisbrecht, B.J.Summers
compound		source
Molecule: Complement C3 Beta Chain Chain: A, D Fragment: C3c Beta Chain, Unp Residues 23-667		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Other_details: Human C3
Molecule: Complement C3c Alpha' Chain Fragment 1 Chain: B, E Fragment: C3c Alpha' Chain Fragment 1, Unp Residues 749-954		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Other_details: Human C3
Molecule: Complement C3c Alpha' Chain Fragment 2 Chain: C, F Fragment: C3c Alpha' Chain Fragment 2, Unp Residues 1321-16		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Other_details: Human C3
Molecule: Fibrinogen-Binding Protein Chain: G, H Fragment: Scin-B, Unp Residues 49-114 Engineered: Yes		Organism_scientific: Staphylococcus Aureus Subsp. Aureus Organism_taxid: 158878 Strain: Mu50 Gene: Sav1159 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pt7hmt
symmetry	Space Group: P 21 21 21	R_factor 0.229 R_Free 0.270
crystal cell	length a length b length c angle alpha angle beta angle gamma 103.304 165.436 203.125 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	3.40 Å
Gene Ontology	Chain Function Process Component A, D E, B F, C
Primary reference	Diversity in the C3b Convertase Contact Residues and Tertiary Structures of the Staphylococcal Complement Inhibitor (SCIN) Protein Family., Garcia BL, Summers BJ, Lin Z, Ramyar KX, Ricklin D, Kamath DV, Fu ZQ, Lambris JD, Geisbrecht BV, J Biol Chem. 2012 Jan 2;287(1):628-40. Epub 2011 Nov 15. PMID:22086928

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (774 Kb) [Save to disk] Biological Unit Coordinates (3t4a.pdb1.gz) 388 Kb Biological Unit Coordinates (3t4a.pdb2.gz) 386 Kb CSU: Contacts of Structural Units for 3T4A Structure Factors (741 Kb) Retrieve 3T4A in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3T4A from S2C, [Save to disk] Re-refined 3t4a structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3T4A 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 3T4A

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 3T4A, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3t4a_H] [3t4a_D] [3t4a_E] [3t4a_F] [3t4a_A] [3t4a_G] [3t4a_B] [3t4a_C] [3t4a] SWISS-PROT database: Domain organization of by SWISSPFAM Domains found in 3T4A: [A2M] [A2M_N_2] [A2M_recep] [C345C ] by SMART

Other resources with information on 3T4A

Community annotation for 3T4A at PDBWiki (http://pdbwiki.org)

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

---