1JDC	Hydrolase	date	Jun 16, 1997
title	Mutant (E219q) Maltotetraose-Forming Exo-Amylase Cocrystalli Maltotetraose (Crystal Type 1)
authors	Y.Yoshioka, K.Hasegawa, Y.Matsuura, Y.Katsube, M.Kubota
compound		source
Molecule: 1,4-Alpha Maltotetrahydrolase Chain: A Synonym: Maltotetraose-Forming Exo-Amylase Ec: 3.2.1.60 Engineered: Yes Mutation: Yes Other_details: Crystal Type 1		Organism_scientific: Pseudomonas Stutzeri Organism_taxid: 316 Strain: Mo-19 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Hb101 Expression_system_vector: Puc18
symmetry	Space Group: P 21 21 21	R_factor 0.174 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 65.100 138.400 50.700 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.90 Å
ligand	CA, GLC	enzyme	Hydrolase E.C.3.2.1.60 BRENDA
related structures	by homologous chain: 1GCY, 1JDD
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal structures of a mutant maltotetraose-forming exo-amylase cocrystallized with maltopentaose., Yoshioka Y, Hasegawa K, Matsuura Y, Katsube Y, Kubota M, J Mol Biol 1997 Aug 29;271(4):619-28. PMID:9281429

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (76 Kb) [Save to disk] Biological Unit Coordinates (1jdc.pdb1.gz) 70 Kb LPC: Ligand-Protein Contacts for 1JDC CSU: Contacts of Structural Units for 1JDC Likely Quarternary Molecular Structure file(s) for 1JDC Structure Factors (190 Kb) Retrieve 1JDC in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1JDC from S2C, [Save to disk] Re-refined 1jdc structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1JDC 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 1JDC

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 1JDC, from MSDmotif at EBI Genome occurence of 1JDC's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1jdc_2, region 1-357 [Jmol] [rasmolscript] [script source]     - Domain d1jdc_1, region 358-418 [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: [1jdc] [1jdc_A] SWISS-PROT database: [P13507] Domain organization of [AMT4_PSEST] by SWISSPFAM Domain found in 1JDC: [Aamy ] by SMART

Other resources with information on 1JDC

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

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