1ALW	Calcium Binding	date	Jun 04, 1997
title	Inhibitor And Calcium Bound Domain Vi Of Porcine Calpain
authors	S.V.L.Narayana, G.Lin
compound		source
Molecule: Calpain Chain: A, B Fragment: Inhibitor-Bound Calcium Binding Domain Vi Synonym: S-Camld Engineered: Yes		Organism_scientific: Sus Scrofa Organism_common: Pig Organism_taxid: 9823 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 1 21 1	R_factor 0.210 R_Free 0.270
crystal cell	length a length b length c angle alpha angle beta angle gamma 49.870 80.460 57.080 90.00 91.20 90.00
method	X-Ray Diffraction	resolution	2.03 Å
ligand	CA, ISA	enzyme
related structures	by homologous chain: 1NX1, 1NX2
Gene Ontology	Chain Function Process Component A, B
Primary reference	Crystal structure of calcium bound domain VI of calpain at 1.9 A resolution and its role in enzyme assembly, regulation, and inhibitor binding., Lin GD, Chattopadhyay D, Maki M, Wang KK, Carson M, Jin L, Yuen PW, Takano E, Hatanaka M, DeLucas LJ, Narayana SV, Nat Struct Biol 1997 Jul;4(7):539-47. PMID:9228946

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (64 Kb) [Save to disk] Biological Unit Coordinates (1alw.pdb1.gz) 59 Kb LPC: Ligand-Protein Contacts for 1ALW CSU: Contacts of Structural Units for 1ALW Likely Quarternary Molecular Structure file(s) for 1ALW Structure Factors (177 Kb) Retrieve 1ALW in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1ALW from S2C, [Save to disk] Re-refined 1alw structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1ALW 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 1ALW

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 1ALW, from MSDmotif at EBI Genome occurence of 1ALW's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1alwa_, region A [Jmol] [rasmolscript] [script source]     - Domain d1alwb_, region B [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: [1alw_A] [1alw] [1alw_B] SWISS-PROT database: [P04574] Domain organization of [CPNS1_PIG] by SWISSPFAM Domain found in 1ALW: [EFh ] by SMART

Other resources with information on 1ALW

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

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Images from IMB Jena Image Library of Biological Macromolecules.

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