1K7W	Lyase	date	Oct 22, 2001
title	Crystal Structure Of S283a Duck Delta 2 Crystallin Mutant
authors	L.M.Sampaleanu, B.Yu, P.L.Howell
compound		source
Molecule: Delta 2 Crystallin Chain: A, B, C, D Ec: 4.3.2.1 Engineered: Yes Mutation: Yes		Organism_scientific: Anas Platyrhynchos Organism_taxid: 8839 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bb101 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet3d
symmetry	Space Group: P 1 21 1	R_factor 0.207 R_Free 0.253
crystal cell	length a length b length c angle alpha angle beta angle gamma 93.759 98.637 106.147 90.00 101.30 90.00
method	X-Ray Diffraction	resolution	1.96 Å
ligand	AS1	enzyme	Lyase E.C.4.3.2.1 BRENDA
related structures	by homologous chain: 1TJV
Gene Ontology	Chain Function Process Component A, D, C, B
Primary reference	Mutational analysis of duck delta 2 crystallin and the structure of an inactive mutant with bound substrate provide insight into the enzymatic mechanism of argininosuccinate lyase., Sampaleanu LM, Yu B, Howell PL, J Biol Chem 2002 Feb 8;277(6):4166-75. PMID:11698398

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (293 Kb) [Save to disk] Biological Unit Coordinates (1k7w.pdb1.gz) 288 Kb LPC: Ligand-Protein Contacts for 1K7W CSU: Contacts of Structural Units for 1K7W Likely Quarternary Molecular Structure file(s) for 1K7W Structure Factors (1816 Kb) Retrieve 1K7W in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1K7W from S2C, [Save to disk] Re-refined 1k7w structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1K7W in 3D

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Visual 3D analysis of 1K7W

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 1K7W, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1k7wa_, region A [Jmol] [rasmolscript] [script source]     - Domain d1k7wb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1k7wc_, region C [Jmol] [rasmolscript] [script source]     - Domain d1k7wd_, region D [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: [1k7w_A] [1k7w_B] [1k7w_D] [1k7w_C] [1k7w] SWISS-PROT database: [P24058] Domain organization of [ARLY2_ANAPL] by SWISSPFAM

Other resources with information on 1K7W

Community annotation for 1K7W at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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