Structure of PDB 5gaf Chain i Binding Site BS03

Receptor Information

>5gaf Chain i (length=398) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]

MFDNLTDRLSRTLRNISGRGRLTEDNVKDTLREVRMALLEADVALPVVRE
FINRVKEKAVGHEVNKSLTPGQEFVKIVRNELVAAMGEENQTLNLAAQPP
AVVLMAGLQGAGKTTSVGKLGKFLREKHKKKVLVVSADVYRPAAIKQLET
LAEQVGVDFFPSDVGQKPVDIVNAALKEAKLKFYDVLLVDTAGRLHVDEA
MMDEIKQVHASINPVETLFVVDAMTGQDAANTAKAFNEALPLTGVVLTKV
DGDARGGAALSIRHITGKPIKFLGVGEKTEALEPFHPDRIASRILGMGFD
LNDFLEQLRQMKNDDKVLVRMEAIINSMTMKERAKPEIIKGSRKRRIAAG
CGMQVQDVNRLLKQFDDMQRMMKKMKKGGPPPPPPPPPPPPPPPPPPP

Ligand information

>5gaf Chain k (length=18) Species: 562 (Escherichia coli) [Search peptide sequence] [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]

MKQSTLALLLLLLLLTPV

Receptor-Ligand Complex Structure

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Structure summary

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PDB	5gaf Structures of the E. coli translating ribosome with SRP and its receptor and with the translocon
Resolution	4.3 Å
Binding residue (original residue number in PDB)	Q337 M341 Q419 M423 M427
Binding residue (residue number reindexed from 1)	Q307 M311 Q364 M368 M372

Enzymatic activity

Enzyme Commision number

3.6.5.4: signal-recognition-particle GTPase.

Gene Ontology

	Molecular Function
GO:0003924	GTPase activity
GO:0005525	GTP binding
GO:0008312	7S RNA binding
GO:0016887	ATP hydrolysis activity

	Biological Process
GO:0006614	SRP-dependent cotranslational protein targeting to membrane

	Cellular Component
GO:0048500	signal recognition particle

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Cellular Component

External links

PDB	RCSB:5gaf, PDBe:5gaf, PDBj:5gaf
PDBsum	5gaf
PubMed	26804923
UniProt	P0AGD7\|SRP54_ECOLI Signal recognition particle protein (Gene Name=ffh)

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