Structure of PDB 3ndb Chain B Binding Site BS01

Receptor Information
>3ndb Chain B (length=420) Species: 2190 (Methanocaldococcus jannaschii) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MDKLGENLNKALNKLKAAAFVDKKLIKEVIKDIQRALIQADVNVKLVLKM
SKEIERRALEEKTPKGLSKKEHIIKIVYEELVKLLGEEAKKLELNPKKQN
VILLVGIQGSGKTTTAAKLARYIQKRGLKPALIAADTYRPAAYEQLKQLA
EKIHVPIYGDETRTKSPVDIVKEGMEKFKKADVLIIDTAGRHKEEKGLLE
EMKQIKEITNPDEIILVIDGTIGQQAGIQAKAFKEAVGEIGSIIVTKLDG
SAKGGGALSAVAETKAPIKFIGIGEGIDDLEPFDPKKFISRLLGMGDLES
LLEKAEDMVDEKTEESIDAIMRGKFTLNELMTQLEAIENMLTEAKIKKYK
VIISSMTKEERENPKIIKASRIRRIARGSGTTENDVREVLRYYETTKNAI
DKLRKGLALALLLLLLALAL
Ligand information
>3ndb Chain M (length=136) [Search RNA sequence] [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
gucucgucccguggggcucggcggugggggagcaucuccuguaggggaga
uguaacccccuuuaccugccgaaccccgccaggcccggaagggagcaacg
guaggcaggacgucggcgcucacgggggugcgggac
<<.<<<.<<<<<<<<<<.<<<<<..<<<<<.<<<<<<<<<....>>>>>>
>>>..>>>>>....<<<<<<.....<<<...<.<<<....>>>..>..>>
>..>>>>>>.>>>>>>>.>>>>>>>>....>>>.>>
Receptor-Ligand Complex Structure
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PDB3ndb Structural basis of signal-sequence recognition by the signal recognition particle.
Resolution3.0 Å
Binding residue
(original residue number in PDB)		R57 E61 V375 S378 S379 T381 K382 S394 R395 R398 G402 S403 G404
Binding residue
(residue number reindexed from 1)		R56 E60 V351 S354 S355 T357 K358 S370 R371 R374 G378 S379 G380
Enzymatic activity
Enzyme Commision number 3.6.5.4: signal-recognition-particle GTPase.
Gene Ontology
Molecular Function
GO:0003723 RNA binding
GO:0003924 GTPase activity
GO:0005525 GTP binding
GO:0008312 7S RNA binding
GO:0016787 hydrolase activity
GO:0016887 ATP hydrolysis activity
GO:0060090 molecular adaptor activity
Biological Process
GO:0006612 protein targeting to membrane
GO:0006614 SRP-dependent cotranslational protein targeting to membrane
Cellular Component
GO:0005737 cytoplasm
GO:0048500 signal recognition particle

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:3ndb, PDBe:3ndb, PDBj:3ndb
PDBsum3ndb
PubMed21336278
UniProtQ57565|SRP54_METJA Signal recognition particle 54 kDa protein (Gene Name=srp54)

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