Structure of PDB 4lck Chain D

Receptor sequence

>4lckD (length=81) Species: 224308 (Bacillus subtilis subsp. subtilis str. 168)

SYDKVSQAKSIIIGTKQTVKALKRGSVKEVVVAKDADPILTSSVVSLAED
QGISVSMVESMKKLGKACGIEVGAAAVAIIL

3D structure

• PDB: 4lck Co-crystal structure of a T-box riboswitch stem I domain in complex with its cognate tRNA.
• Chain: D
• Resolution: 3.2 Å

Interaction with ligand

Site #	Ligand	Ligand chain	Binding residues on receptor (original residue number in PDB)	Binding residues on receptor (residue number reindexed from 1)	Binding affinity
BS01	rna	D	I14 G15 Q18 M62 V73 G74 A75 A76	I13 G14 Q17 M61 V72 G73 A74 A75	PDBbind-CN: Kd=83nM

Gene Ontology

Molecular Function

• GO:0003723 RNA binding

Cellular Component

• GO:0005737 cytoplasm
• GO:0005840 ribosome
• GO:1990904 ribonucleoprotein complex

External links

• PDB: RCSB:4lck, PDBe:4lck, PDBj:4lck
• PDBsum: 4lck
• PubMed: 23892783
• UniProt: P46350|RXL7_BACSU RNA-binding protein YbxF (Gene Name=rulS)