1SUA	Complex (Hydrolase Peptide)	date	Jan 14, 1997
title	Subtilisin Bpn'
authors	O.Almog, G.L.Gilliland
compound		source
Molecule: Subtilisin Bpn' Chain: A Ec: 3.4.21.62 Engineered: Yes Mutation: Yes		Organism_scientific: Bacillus Amyloliquefaciens Organism_taxid: 1390 Cell_line: Bl21 Cellular_location: Extracellular Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21 (De3) Expression_system_plasmid: Bl21
Molecule: Tetrapeptide Ala-Leu-Ala-Leu Chain: C Engineered: Yes
symmetry	Space Group: P 21 21 21	R_factor 0.180 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 53.530 60.330 83.370 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.10 Å
ligand		enzyme	Hydrolase E.C.3.4.21.62 BRENDA
related structures	by homologous chain: 1SBN, 1VSB
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal structure of calcium-independent subtilisin BPN' with restored thermal stability folded without the prodomain., Almog O, Gallagher T, Tordova M, Hoskins J, Bryan P, Gilliland GL, Proteins 1998 Apr 1;31(1):21-32. PMID:9552156

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (44 Kb) [Save to disk] Biological Unit Coordinates (1sua.pdb1.gz) 40 Kb CSU: Contacts of Structural Units for 1SUA Likely Quarternary Molecular Structure file(s) for 1SUA Structure Factors (120 Kb) Retrieve 1SUA in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1SUA from S2C, [Save to disk] Re-refined 1sua structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1SUA 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 1SUA

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 1SUA, from MSDmotif at EBI Genome occurence of 1SUA's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1suaa_, region A [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: [1sua_C] [1sua_A] [1sua] SWISS-PROT database: [P00782] Domain organization of [SUBT_BACAM] by SWISSPFAM

Other resources with information on 1SUA

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

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