Structure of PDB 1y44 Chain A

Receptor sequence
>1y44A (length=269) Species: 1423 (Bacillus subtilis) [Search protein sequence]
MELLFLGTGAGIPAKARNVTSVALKLLEERRSVWLFDCGEATQHQMLHTT
IKPRKIEKIFITHMHGDHVYGLPGLLGSRSFQGGEDELTVYGPKGIKAFI
ETSLAVTKTHLTYPLAIQEIEEGIVFEDDQFIVTAVSVIHGVEAFGYRVQ
EKDVPGSLLEPPKKGRSVVFSGDTRVSDKLKELARDCDVMVHEATFAKED
RKLAYDYYHSTTEQAAVTAKEARAKQLILTHISARYQGDASLELQKEAVD
VFPNSVAAYDFLEVNVPRG
3D structure
PDB1y44 Structural basis for substrate binding, cleavage and allostery in the tRNA maturase RNase Z.
ChainA
Resolution2.1 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 3.1.26.11: ribonuclease Z.
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 ZN A H63 H65 H140 D211 H63 H65 H140 D173
BS02 ZN A D67 H68 D211 H269 D67 H68 D173 H231
Gene Ontology
Molecular Function
GO:0004519 endonuclease activity
GO:0008270 zinc ion binding
GO:0016891 RNA endonuclease activity, producing 5'-phosphomonoesters
GO:0042781 3'-tRNA processing endoribonuclease activity
GO:0042802 identical protein binding
GO:0046872 metal ion binding
Biological Process
GO:0008033 tRNA processing
GO:0042780 tRNA 3'-end processing

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Molecular Function
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Biological Process
External links
PDB RCSB:1y44, PDBe:1y44, PDBj:1y44
PDBsum1y44
PubMed15654328
UniProtP54548|RNZ_BACSU Ribonuclease Z (Gene Name=rnz)

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