Structure of PDB 5izk Chain B

Receptor sequence
>5izkB (length=451) Species: 9606 (Homo sapiens) [Search protein sequence]
VNVNVGVLGHIDSGKTALARALSTTCFSVPLPLLQVTLVDCPGHASLIRT
IIGGAQIIDLMMLVIDVTMQTQSAECLVIGQIACQKLVVVLNKIDLLPEG
KRQAAIDKMTKKMQKTLENTKFRGAPIIPVAAKPGGIPELIELLTSQIST
RDPSGPFLMSVMTGTILSGSISLGDSVEIPALKVVKKVKSMQMFHMPITS
AMQGDRLGICVTQFDPKLLERGLVCAPESLHTVHAALISVEKIPYFRGPL
QTKAKFHITVGHETVMGRLMFFSPAPDNFDQEPILDSFNFSQEYLFQEQY
LSPRQQWALVEFEKPVTCPRLCLVIGSRCRLAFHGILLHGLEDRNYADSF
LPRLKVYKLKHKHGLVERAMDDYSVIGRSLFKQLFVGLKVHLSTGELGII
DSSGKFKIHIPGGLSPESKKILTPSAERSEPSQHVVLSLTFKRYVFDTHK
R
3D structure
PDB5izk Crystal structures of the human elongation factor eEFSec suggest a non-canonical mechanism for selenocysteine incorporation.
ChainB
Resolution3.25 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) D17 K20 T21 H96
Catalytic site (residue number reindexed from 1) D12 K15 T16 H44
Enzyme Commision number 3.6.5.-
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 GDP B G19 K20 T21 A22 P94 N146 K147 D149 A186 K187 G14 K15 T16 A17 P42 N92 K93 D95 A132 K133
Gene Ontology
Molecular Function
GO:0000049 tRNA binding
GO:0003746 translation elongation factor activity
GO:0003924 GTPase activity
GO:0005525 GTP binding
GO:0016787 hydrolase activity
GO:0035368 selenocysteine insertion sequence binding
GO:0043021 ribonucleoprotein complex binding
Biological Process
GO:0001514 selenocysteine incorporation
GO:0006412 translation
Cellular Component
GO:0005634 nucleus
GO:0005737 cytoplasm
GO:1990904 ribonucleoprotein complex

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:5izk, PDBe:5izk, PDBj:5izk
PDBsum5izk
PubMed27708257
UniProtP57772|SELB_HUMAN Selenocysteine-specific elongation factor (Gene Name=EEFSEC)

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