2IY3: E. Coli Signal Regognition Particle

Structure of the E. Coli Signal Regognition Particle. Determined by electron microscopy at 16.0 Å resolution. Released 2 Nov 2006.

Method
Electron microscopy
Resolution
16.0 Å
Organisms
Thermus aquaticus, Sulfolobus solfataricus, Escherichia coli
Chains
3
Atoms
559
Mol. weight
85.2 kDa
Released
2 Nov 2006

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Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Signal recognition particle protein,Signal recognition particle 54 kDa proteinAprotein432Thermus aquaticus, Sulfolobus solfataricusO07347 (AlphaFold model), Q97ZE7 (AlphaFold model)
4.5S RNABRNA110Escherichia coli
Signal sequenceCprotein17synthetic construct
Sequence of entity 1 (A), FASTA
>2IY3_1 Signal recognition particle protein,Signal recognition particle 54 kDa protein (chains A)
MFQQLSARLQEAIGRLRGRGRITEEDLKATLREIRRALMDADVNLEVARDFVERVREEAL
GKQVLESLTPAEVILATVYEALKEALGGEARLPVLKDRNLWFLVGLQGSGKTTTAAKLAL
YYKGKGRRPLLVAADTQRPAAREQLRLLGEKVGVPVLEVMDGESPESIRRRVEEKARLEA
RDLILVDTAGRLQIDEPLMGELARLKEVLGPDEVLLVLDAMTGQEALSVARAFDEKVGVT
GLVLTKLDGDARGGAALSARHVTGKPIYFAGVSEKPEGLEPFYPERLAGRILGMGDIESI
LEKVKGLEEYDKIQKKMEDVMEGKGKLTLRDVYAQIIALRKMGPLSKVLQHIPGLGIMLP
TPSEDQLKIGEEKIRRWLAALNSMTYKELENPNIIDKSRMRRIAEGSGLEVEEVRELLEW
YNNMNRLLKMVK
Sequence of entity 2 (B), FASTA
>2IY3_2 4.5S RNA (chains B)
GGGGGCUCUGUUGGUUCUCCCGCAACGCUACUCUGUUUACCAGGUCAGGUCCGAAAGGAA
GCAGCCAAGGCAGAUGACGCGUGUGCCGGGAUGUAGCUGGCAGGGCCCCC
Sequence of entity 3 (C), FASTA
>2IY3_3 SIGNAL SEQUENCE (chains C)
AALALAAAAALALAAAG

Primary citation

Structure of the E. Coli Signal Recognition Particle Bound to a Translating Ribosome. Schaffitzel, C., Oswald, M., Berger, I. et al. Nature (2006) 444:503. DOI 10.1038/NATURE05182 · PubMed

Other PDB entries of the same protein (UniProt O07347 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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