Structure of PDB 1hq1 Chain A

Receptor sequence
>1hq1A (length=76) Species: 562 (Escherichia coli) [Search protein sequence]
GFDLNDFLEQLRQDDKVLVRMEAIINSMTMKERAKPEIIKGSRKRRIAAG
SGMQVQDVNRLLKQFDDMQRMMKKMK
3D structure
PDB1hq1 Structural and energetic analysis of RNA recognition by a universally conserved protein from the signal recognition particle.
ChainA
Resolution1.52 Å
3D
structure
[Spin on]
[Spin off]
[Reset orientation]

[High quality]
[Low quality]

[White background]
[Black background]

[Download]
[Download structure with residue number starting from 1]
Enzymatic activity
Enzyme Commision number 3.6.5.4: signal-recognition-particle GTPase.
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 A R27 A30 N33 S34 M35 K38 S49 R50 R53 G57 S58 G59 M60 R20 A23 N26 S27 M28 K31 S42 R43 R46 G50 S51 G52 M53 PDBbind-CN: Kd=33pM
Gene Ontology
Molecular Function
GO:0003924 GTPase activity
GO:0005525 GTP binding
GO:0008312 7S RNA binding
Biological Process
GO:0006614 SRP-dependent cotranslational protein targeting to membrane
Cellular Component
GO:0048500 signal recognition particle

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:1hq1, PDBe:1hq1, PDBj:1hq1
PDBsum1hq1
PubMed11243816
UniProtP0AGD7|SRP54_ECOLI Signal recognition particle protein (Gene Name=ffh)

[Back to BioLiP]