1BCH	Lectin	date	Apr 30, 1998
title	Mannose-Binding Protein-A Mutant (Qpdwgh) Complexed With N-A Galactosamine
authors	A.R.Kolatkar, W.I.Weis
compound		source
Molecule: Mannose-Binding Protein-A Chain: 1, 2, 3 Fragment: Clostripain Fragment Residues 73 - 226 Synonym: Cl-Qpdwgh Engineered: Yes Mutation: Yes		Organism_scientific: Rattus Norvegicus Organism_common: Norway Rat Organism_taxid: 10116 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_plasmid: Piniiiompa2 Other_details: The Bacterially Expressed Material Was Diges Clostripain To Produce The Protein Used In The Crystal Stru Analysis
symmetry	Space Group: C 1 2 1	R_factor 0.219 R_Free 0.252
crystal cell	length a length b length c angle alpha angle beta angle gamma 80.490 85.010 98.710 90.00 104.82 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	A2G, CA, CL, NA, NGA	enzyme
related structures	by homologous chain: 1AFA, 1KWV
Gene Ontology	Chain Function Process Component 1, 3, 2
Primary reference	Mechanism of N-acetylgalactosamine binding to a C-type animal lectin carbohydrate-recognition domain., Kolatkar AR, Leung AK, Isecke R, Brossmer R, Drickamer K, Weis WI, J Biol Chem 1998 Jul 31;273(31):19502-8. PMID:9677372

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (87 Kb) [Save to disk] Biological Unit Coordinates (1bch.pdb1.gz) 80 Kb LPC: Ligand-Protein Contacts for 1BCH CSU: Contacts of Structural Units for 1BCH Likely Quarternary Molecular Structure file(s) for 1BCH Structure Factors (442 Kb) Retrieve 1BCH in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1BCH from S2C, [Save to disk] Re-refined 1bch structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1BCH 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 1BCH

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 1BCH, from MSDmotif at EBI Genome occurence of 1BCH's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1bch11, region 1:105-226 [Jmol] [rasmolscript] [script source]     - Domain d1bch12, region 1:73-104 [Jmol] [rasmolscript] [script source]     - Domain d1bch21, region 2:105-226 [Jmol] [rasmolscript] [script source]     - Domain d1bch22, region 2:73-104 [Jmol] [rasmolscript] [script source]     - Domain d1bch31, region 3:105-226 [Jmol] [rasmolscript] [script source]     - Domain d1bch32, region 3:73-104 [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1bch_3] [1bch_1] [1bch_2] [1bch] SWISS-PROT database: [P19999] Domain organization of [MBL1_RAT] by SWISSPFAM Domain found in 1BCH: [CLECT ] by SMART

Other resources with information on 1BCH

Community annotation for 1BCH at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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