1BZQ	Hydrolase Immune System	date	Nov 03, 1998
title	Complex Of A Dromedary Single-Domain Vhh Antibody Fragment W A
authors	K.Decanniere, A.Desmyter, M.Gahroudhi, M.Lauwereys, S.Muylderman
compound		source
Molecule: Protein (Rnase A) Chain: A, B, C, D Ec: 3.1.27.5		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913 Organ: Pancreas Other_details: Rnase A Supplied By Sigma
Molecule: Protein (Antibody Cab-Rn05) Chain: K, L, M, N Fragment: Variable Domain Engineered: Yes		Organism_scientific: Camelus Dromedarius Organism_common: Arabian Camel Organism_taxid: 9838 Cell: B-Lymphocytes Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 1	R_factor 0.222 R_Free 0.282
crystal cell	length a length b length c angle alpha angle beta angle gamma 66.520 66.820 69.340 91.43 117.34 97.33
method	X-Ray Diffraction	resolution	2.80 Å
ligand	PO4	enzyme	Hydrolase E.C.3.1.27.5 BRENDA
related structures	by homologous chain: 1CJQ, 1RBJ, 1TZI
Gene Ontology	Chain Function Process Component A, D, C, B ribonuclease A activity
Primary reference	A single-domain antibody fragment in complex with RNase A: non-canonical loop structures and nanomolar affinity using two CDR loops., Decanniere K, Desmyter A, Lauwereys M, Ghahroudi MA, Muyldermans S, Wyns L, Structure Fold Des 1999 Apr 15;7(4):361-70. PMID:10196124

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (154 Kb) [Save to disk] Biological Unit Coordinates (1bzq.pdb1.gz) 40 Kb Biological Unit Coordinates (1bzq.pdb2.gz) 40 Kb Biological Unit Coordinates (1bzq.pdb3.gz) 40 Kb Biological Unit Coordinates (1bzq.pdb4.gz) 40 Kb LPC: Ligand-Protein Contacts for 1BZQ CSU: Contacts of Structural Units for 1BZQ Likely Quarternary Molecular Structure file(s) for 1BZQ Structure Factors (229 Kb) Retrieve 1BZQ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1BZQ from S2C, [Save to disk] Re-refined 1bzq structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1BZQ 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 1BZQ

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 1BZQ, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1bzqa_, region A [Jmol] [rasmolscript] [script source]     - Domain d1bzqb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1bzqc_, region C [Jmol] [rasmolscript] [script source]     - Domain d1bzqd_, region D [Jmol] [rasmolscript] [script source]     - Domain d1bzqk_, region K [Jmol] [rasmolscript] [script source]     - Domain d1bzql_, region L [Jmol] [rasmolscript] [script source]     - Domain d1bzqm_, region M [Jmol] [rasmolscript] [script source]     - Domain d1bzqn_, region N [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: [1bzq_L] [1bzq] [1bzq_N] [1bzq_A] [1bzq_K] [1bzq_D] [1bzq_B] [1bzq_M] [1bzq_C] SWISS-PROT database: [P61823] Domain organization of [RNAS1_BOVIN] by SWISSPFAM Domains found in 1BZQ: [IGv] [RNAse_Pc ] by SMART

Other resources with information on 1BZQ

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

Movements, Movies and Images

Domain movements in 1BZQ from the Database of Macromolecular Movements. Images from IMB Jena Image Library of Biological Macromolecules.

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