Structure of PDB 3dh2 Chain B

Receptor sequence
>3dh2B (length=94) Species: 1894 (Kitasatospora aureofaciens) [Search protein sequence]
ALADVCRTKLPSQAQDTLALIAKNGPYPYNRDGVVFENRESRLPKKGNGY
YHEFTVVTPGSNDRGTRRVVTGGYGEQYWSPDHYATFQEIDPRC
3D structure
PDB3dh2 Structure of RNase Sa2 complexes with mononucleotides - new aspects of catalytic reaction and substrate recognition
ChainB
Resolution2.25 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) E56 R67 R71 H86
Catalytic site (residue number reindexed from 1) E53 R64 R68 H83
Enzyme Commision number 3.1.4.8: Transferred entry: 4.6.1.24.
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 BGC B Y32 N33 R34 Y29 N30 R31
BS02 3GP B V37 F39 E40 N41 R42 E43 E56 R67 R71 H86 Y87 V34 F36 E37 N38 R39 E40 E53 R64 R68 H83 Y84
Gene Ontology
Molecular Function
GO:0003723 RNA binding
GO:0004521 RNA endonuclease activity
GO:0004540 RNA nuclease activity

View graph for
Molecular Function
External links
PDB RCSB:3dh2, PDBe:3dh2, PDBj:3dh2
PDBsum3dh2
PubMed19558492
UniProtQ53752

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