1VIU: Crystal Structure Of Putative Adp Ribose Pyrophosphatase

Citation:
Abstract
The targets of the Structural GenomiX (SGX) bacterial genomics project were proteins conserved in multiple prokaryotic organisms with no obvious sequence homolog in the Protein Data Bank of known structures. The outcome of this work was 80 structures, covering 60 unique sequences and 49 different genes. Experimental phase determination from proteins incorporating Se-Met was carried out for 45 structures with most of the remainder solved by molecular replacement using members of the experimentally phased set as search models. An automated tool was developed to deposit these structures in the Protein Data Bank, along with the associated X-ray diffraction data (including refined experimental phases) and experimentally confirmed sequences. BLAST comparisons of the SGX structures with structures that had appeared in the Protein Data Bank over the intervening 3.5 years since the SGX target list had been compiled identified homologs for 49 of the 60 unique sequences represented by the SGX structures. This result indicates that, for bacterial structures that are relatively easy to express, purify, and crystallize, the structural coverage of gene space is proceeding rapidly. More distant sequence-structure relationships between the SGX and PDB structures were investigated using PDB-BLAST and Combinatorial Extension (CE). Only one structure, SufD, has a truly unique topology compared to all folds in the PDB.
PDB ID: 1VIUDownload
MMDB ID: 25939
PDB Deposition Date: 2003/12/1
Updated in MMDB: 2017/10
Experimental Method:
x-ray diffraction
Resolution: 2.4  Å
Source Organism:
Similar Structures:
Biological Unit for 1VIU: dimeric; determined by author and by software (PISA,PQS)
Molecular Components in 1VIU
Label Count Molecule
Proteins (2 molecules)
2
Adp-ribose Pyrophosphatase(Gene symbol: nudK)
Molecule annotation
* Click molecule labels to explore molecular sequence information.

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