Structure of PDB 4rrr Chain B

Receptor sequence
>4rrrB (length=142) Species: 272844 (Pyrococcus abyssi GE5) [Search protein sequence]
MRVLLIHSDYIEYEVKDKALKNPEPISEDMKRGRMEEVLVAFISVEKVDE
KNPEEVSLKAIEEISKVAEQVKAENVFVYPFAHLSSELAKPSVAMDILNR
VYQGLKERGFNVGKAPFGYYMAFKISCKGHPLAELSRTIVPE
3D structure
PDB4rrr Specificity and catalysis hardwired at the RNA-protein interface in a translational proofreading enzyme.
ChainB
Resolution1.86 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 6.1.1.3: threonine--tRNA ligase.
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 A3T B L20 V45 P80 F81 A82 L88 A94 F117 G118 Y119 Y120 L20 V45 P80 F81 A82 L88 A94 F117 G118 Y119 Y120 PDBbind-CN: -logKd/Ki=4.44,Kd=36.2uM
Gene Ontology
Molecular Function
GO:0004829 threonine-tRNA ligase activity
GO:0005524 ATP binding
GO:0008270 zinc ion binding
Cellular Component
GO:0005737 cytoplasm

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Molecular Function
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Cellular Component
External links
PDB RCSB:4rrr, PDBe:4rrr, PDBj:4rrr
PDBsum4rrr
PubMed26113036
UniProtQ9UZ14|SYT_PYRAB Threonine--tRNA ligase (Gene Name=thrS)

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