Structure of PDB 4v4p Chain BW

Receptor sequence

>4v4pBW (length=99) Species: 300852 (Thermus thermophilus HB8)

RNLSALKRHRQSLKRRLRNKAKKSAIKTLSKKAVQLAQEGKAEEALKIMR
KAESLIDKAAKGSTLHKNAAARRKSRLMRKVRQLLEAAGAPLIGGGLSA

3D structure

• PDB: 4v4p Translational operator of mRNA on the ribosome: how repressor proteins exclude ribosome binding.
• Chain: BW
• Resolution: 5.5 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	BW	L10 K14 R15 H16 R17 S19 K21 R22 R23 N26 K27 A28 K29 S31 A32 K34 T35 K39 R57 E60 S61 K65 K68 S70 K74 N75 R79 K81 S82 R83 M85 R89 G101 G102 G103 L104 S105	L3 K7 R8 H9 R10 S12 K14 R15 R16 N19 K20 A21 K22 S24 A25 K27 T28 K32 R50 E53 S54 K58 K61 S63 K67 N68 R72 K74 S75 R76 M78 R82 G94 G95 G96 L97 S98

Gene Ontology

Molecular Function

• GO:0003723 RNA binding
• GO:0003735 structural constituent of ribosome
• GO:0019843 rRNA binding
• GO:0070181 small ribosomal subunit rRNA binding

Biological Process

• GO:0006412 translation

Cellular Component

• GO:0005829 cytosol
• GO:0005840 ribosome
• GO:0015935 small ribosomal subunit
• GO:1990904 ribonucleoprotein complex

External links

• PDB: RCSB:4v4p, PDBe:4v4p, PDBj:4v4p
• PDBsum: 4v4p
• PubMed: 15802605
• UniProt: P80380|RS20_THET8 Small ribosomal subunit protein bS20 (Gene Name=rpsT)