Structure of PDB 2ykr Chain B

Receptor sequence

>2ykrB (length=218) Species: 668369 (Escherichia coli DH5[alpha])

MLKAGVHFGHQTRYWNPKMKPFIFGARNKVHIINLEKTVPMFNEALAELN
KIASRKGKILFVGTKRAASEAVKDAALSCDQFFVNHRWLGGMLTNWKTVR
QSIKRLKDLETQSQDGTFDKLTKKEALMRTRELEKLENSLGGIKDMGGLP
DALFVIDADHEHIAIKEANNLGIPVFAIVDTNSDPDGVDFVIPGNDDAIR
AVTLYLGAVAATVREGRS

3D structure

• PDB: 2ykr Structural Basis for the Function of a Small Gtpase Rsga on the 30S Ribosomal Subunit Maturation Revealed by Cryoelectron Microscopy.
• Chain: B
• Resolution: 9.8 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	B	Y21 W22 N23 P24 K25 R34 N35 K72 R73 W95 L96 G97 G98 T101 N102 K104 T105 Q108 S109 R112 D122 G123 T124 D126 K127 L128 T129 K130 K131 E132 L134 M135 R136 R138 K142 L143 I170 E174	Y14 W15 N16 P17 K18 R27 N28 K65 R66 W88 L89 G90 G91 T94 N95 K97 T98 Q101 S102 R105 D115 G116 T117 D119 K120 L121 T122 K123 K124 E125 L127 M128 R129 R131 K135 L136 I163 E167

Gene Ontology

Molecular Function

• GO:0003735 structural constituent of ribosome
• GO:0005515 protein binding
• GO:0008270 zinc ion binding

Biological Process

• GO:0000028 ribosomal small subunit assembly
• GO:0002181 cytoplasmic translation
• GO:0006412 translation

Cellular Component

• GO:0005737 cytoplasm
• GO:0005840 ribosome
• GO:0015935 small ribosomal subunit
• GO:0022627 cytosolic small ribosomal subunit
• GO:1990904 ribonucleoprotein complex

External links

• PDB: RCSB:2ykr, PDBe:2ykr, PDBj:2ykr
• PDBsum: 2ykr
• PubMed: 21788480
• UniProt: P0A7V0|RS2_ECOLI Small ribosomal subunit protein uS2 (Gene Name=rpsB)