9IAK image
Deposition Date 2025-02-11
Release Date 2026-03-04
Last Version Date 2026-03-04
Entry Detail
PDB ID:
9IAK
Keywords:
RNA BINDING PROTEIN
Title:
Structure of cyclodipeptide synthase from Nocardia brasiliensis (Nbra-CDPS) in complex with RNA microhelices mimicking tRNA-Glu acceptor arm
Biological Source:
Source Organism(s):
Nocardia brasiliensis ATCC 700358 (Taxon ID: 1133849)
Escherichia coli (Taxon ID: 562)
Expression System(s):
Escherichia coli
Method Details:
Experimental Method:
X-RAY DIFFRACTION
Resolution:
3.52 Å
R-Value Free:
0.24
R-Value Work:
0.20
R-Value Observed:
0.20
Space Group:
P 21 21 21
9IAK validation report
Macromolecular Entities
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Cyclodipeptide synthase
Gene (Uniprot):O3I_025450
Chain IDs:A, B, C, D, E, F, G, H, I, J, K, L, M, N
Chain Length:248
Number of Molecules:14
Biological Source:Nocardia brasiliensis ATCC 700358
UniProt ID:K0F6G5 Pfam ID:PF16715 EC:2.3.2.20
Polymer Type:polyribonucleotide
Molecule:RNA (5'-R(P*GP*UP*CP*CP*CP*CP*UP*UP*UP*CP*GP*AP*GP*GP*GP*GP*AP*CP*GP*CP*CP*A)-3')
Chain IDs:O, P, Q, R, S (auth: T), T (auth: U)
Chain Length:22
Number of Molecules:6
Biological Source:Escherichia coli
Ligand Molecules
PO4
Primary Citation
The tRNA moieties of two consecutive substrates of a cyclodipeptide synthase share a common binding site as demonstrated with RNA microhelices that mimic their acceptor arms.
To Be Published ? ? ? (?)
Primary Citation of related structures
9I5M
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