2P46	Hydrolase Immune System	date	Mar 11, 2007
title	Complex Of A Camelid Single-Domain Vhh Antibody Fragment Wit At 2.5a Resolution: Se5b-Ortho-2 Crystal Form With Five Se- (L4m, M34, M51, F68m, M83) In Vhh Scaffold.
authors	V.Tereshko, S.Uysal, A.Koide, K.Margalef, S.Koide, A.A.Kossiakoff
compound		source
Molecule: Ribonuclease Pancreatic Chain: A, C Synonym: Rnase 1, Rnase A Ec: 3.1.27.5		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913
Molecule: Antibody Cab-Rn05 Chain: B, D Engineered: Yes		Organism_scientific: Camelus Dromedarius Organism_common: Arabian Camel Organism_taxid: 9838 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 21 21 21	R_factor 0.221 R_Free 0.299
crystal cell	length a length b length c angle alpha angle beta angle gamma 49.270 70.057 123.408 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.50 Å
ligand	MSE, ZN	enzyme	Hydrolase E.C.3.1.27.5 BRENDA
Gene Ontology	Chain Function Process Component A, C ribonuclease A activity
Primary reference	Toward chaperone-assisted crystallography: protein engineering enhancement of crystal packing and X-ray phasing capabilities of a camelid single-domain antibody (VHH) scaffold., Tereshko V, Uysal S, Koide A, Margalef K, Koide S, Kossiakoff AA, Protein Sci. 2008 Jul;17(7):1175-87. Epub 2008 Apr 29. PMID:18445622

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (84 Kb) [Save to disk] Biological Unit Coordinates (2p46.pdb1.gz) 40 Kb Biological Unit Coordinates (2p46.pdb2.gz) 40 Kb LPC: Ligand-Protein Contacts for 2P46 CSU: Contacts of Structural Units for 2P46 Likely Quarternary Molecular Structure file(s) for 2P46 Structure Factors (426 Kb) Retrieve 2P46 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2P46 from S2C, [Save to disk] Re-refined 2p46 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2P46 in 3D

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Visual 3D analysis of 2P46

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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 2P46, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2p46] [2p46_B] [2p46_A] [2p46_D] [2p46_C] SWISS-PROT database: [P61823] Domain organization of [RNAS1_BOVIN] by SWISSPFAM Domains found in 2P46: [IGv] [RNAse_Pc ] by SMART

Other resources with information on 2P46

Community annotation for 2P46 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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