1SUM	Transport Protein	date	Mar 26, 2004
title	Crystal Structure Of A Hypothetical Protein At 2.0 A Resolut
authors	J.Liu, Y.Lou, H.Yokota, P.D.Adams, R.Kim, S.H.Kim, Berkeley Struct Genomics Center (Bsgc)
compound		source
Molecule: Phosphate Transport System Protein Phou Homolog 2 Chain: B Engineered: Yes		Organism_scientific: Thermotoga Maritima Organism_taxid: 2336 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3)Psjs1244 Star Expression_system_vector_type: Plasmid Expression_system_plasmid: Pb4
symmetry	Space Group: P 31 2 1	R_factor 0.217 R_Free 0.255
crystal cell	length a length b length c angle alpha angle beta angle gamma 90.677 90.677 45.255 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	CA, FE, NI, PO3	enzyme
Gene Ontology	Chain Function Process Component B
Primary reference	Crystal structure of a PhoU protein homologue: a new class of metalloprotein containing multinuclear iron clusters., Liu J, Lou Y, Yokota H, Adams PD, Kim R, Kim SH, J Biol Chem 2005 Apr 22;280(16):15960-6. Epub 2005 Feb 16. PMID:15716271

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (46 Kb) [Save to disk] Biological Unit Coordinates (1sum.pdb1.gz) 39 Kb Biological Unit Coordinates (1sum.pdb2.gz) 77 Kb LPC: Ligand-Protein Contacts for 1SUM CSU: Contacts of Structural Units for 1SUM Likely Quarternary Molecular Structure file(s) for 1SUM Structure Factors (104 Kb) Retrieve 1SUM in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1SUM from S2C, [Save to disk] Re-refined 1sum structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1SUM 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 1SUM

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 1SUM, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1sumb_, region B [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1sum_B] [1sum] SWISS-PROT database: [Q9X256] Domain organization of [PHOU2_THEMA] by SWISSPFAM

Other resources with information on 1SUM

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

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