2C4B	Fusion Protein	date	Oct 18, 2005
title	Inhibitor Cystine Knot Protein Mcoeeti Fused To The Catalyti Inactive Barnase Mutant H102a
authors	H.H.Niemann, H.U.Schmoldt, A.Wentzel, H.Kolmar, D.W.Heinz
compound		source
Molecule: Barnase Mcoeeti Fusion Chain: A, B Ec: 3.1.27.3 Engineered: Yes Mutation: Yes Other_details: Mcoeeti Is A Hybrid Of Mcoti-II And Eeti-II. Fused C-Terminally To The H102a Mutant Of Barnase With A 4- Linker		Organism_scientific: Bacillus Amyloliquefaciens, Momordica Cochinchinensis, Ecballium Elaterium; Organism_taxid: 1390, 3674, 3679 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: 71-18 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pbar100 Other_details: Mcoeeti Is A Designed Hybrid Carrying Sequen Derived From Momordica Cochinchinensis Mcoti-II And Ecballi Elaterium Eeti-II
symmetry	Space Group: C 2 2 21	R_factor 0.132 R_Free 0.164
crystal cell	length a length b length c angle alpha angle beta angle gamma 74.020 217.710 58.340 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.30 Å
ligand	2PE, EDO, FMT, GOL, MES, SO4, UNX	enzyme	Hydrolase E.C.3.1.27.3 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Barnase fusion as a tool to determine the crystal structure of the small disulfide-rich protein McoEeTI., Niemann HH, Schmoldt HU, Wentzel A, Kolmar H, Heinz DW, J Mol Biol. 2006 Feb 10;356(1):1-8. Epub 2005 Nov 21. PMID:16337652

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (132 Kb) [Save to disk] Biological Unit Coordinates (2c4b.pdb1.gz) 63 Kb Biological Unit Coordinates (2c4b.pdb2.gz) 64 Kb LPC: Ligand-Protein Contacts for 2C4B CSU: Contacts of Structural Units for 2C4B Likely Quarternary Molecular Structure file(s) for 2C4B Structure Factors (874 Kb) Retrieve 2C4B in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2C4B from S2C, [Save to disk] Re-refined 2c4b structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2C4B in 3D

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Visual 3D analysis of 2C4B

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 2C4B, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2c4b] [2c4b_A] [2c4b_B] SWISS-PROT database: [P12071] [P82409] [P00648] Domain organization of [ITR2_ECBEL] [ITR2_MOMCO] [RNBR_BACAM] by SWISSPFAM Domain found in 2C4B: [PTI ] by SMART

Other resources with information on 2C4B

Community annotation for 2C4B at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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