1UD2	Hydrolase	date	Apr 28, 2003
title	Crystal Structure Of Calcium-Free Alpha-Amylase From Bacillu Strain Ksm-K38 (Amyk38)
authors	T.Nonaka, M.Fujihashi, A.Kita, H.Hagihara, K.Ozaki, S.Ito, K.Miki
compound		source
Molecule: Amylase Chain: A Fragment: Residues 1-480 Synonym: Alpha-Amylase Ec: 3.2.1.1 Engineered: Yes		Organism_scientific: Bacillus Sp. Ksm-K38 Organism_taxid: 129736 Expression_system: Bacillus Subtilis Expression_system_taxid: 1423 Expression_system_vector_type: Plasmid Expression_system_plasmid: Phsp64
symmetry	Space Group: P 2 3	R_factor 0.196 R_Free 0.229
crystal cell	length a length b length c angle alpha angle beta angle gamma 132.143 132.143 132.143 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.13 Å
ligand	GOL, NA	enzyme	Hydrolase E.C.3.2.1.1 BRENDA
related structures	by homologous chain: 1UD4, 1WP6
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal structure of calcium-free alpha-amylase from Bacillus sp. strain KSM-K38 (AmyK38) and its sodium ion binding sites., Nonaka T, Fujihashi M, Kita A, Hagihara H, Ozaki K, Ito S, Miki K, J Biol Chem 2003 Apr 28;. PMID:12719434

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (88 Kb) [Save to disk] Biological Unit Coordinates (1ud2.pdb1.gz) 83 Kb LPC: Ligand-Protein Contacts for 1UD2 CSU: Contacts of Structural Units for 1UD2 Likely Quarternary Molecular Structure file(s) for 1UD2 Retrieve 1UD2 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1UD2 from S2C, [Save to disk]

View 1UD2 in 3D

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Visual 3D analysis of 1UD2

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1UD2, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ud2a2, region A:1-390 [Jmol] [rasmolscript] [script source]     - Domain d1ud2a1, region A:391-480 [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: [1ud2_A] [1ud2] SWISS-PROT database: [Q93I48] Domain organization of [Q93I48_9BACI] by SWISSPFAM Domain found in 1UD2: [Aamy ] by SMART

Other resources with information on 1UD2

Community annotation for 1UD2 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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