Structure of PDB 1b2m Chain A Binding Site BS01

Receptor Information
>1b2m Chain A (length=104) Species: 5062 (Aspergillus oryzae) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
ACDYTCGSNCYSSSDVSTAQAAGYQLHEDGETVGSNSYPHKYNNYEGFDF
SVSSPYYEWPILSSGDVYSGGSPGADRVVFNENNQLAGVITHTGASGNNF
VECT
Ligand information
Receptor-Ligand Complex Structure
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PDB1b2m Three-dimensional structure of ribonuclease T1 complexed with an isosteric phosphonate substrate analogue of GpU: alternate substrate binding modes and catalysis.
Resolution2.0 Å
Binding residue
(original residue number in PDB)		N36 Y38 H40 Y42 N43 N44 Y45 E46 E58 N98
Binding residue
(residue number reindexed from 1)		N36 Y38 H40 Y42 N43 N44 Y45 E46 E58 N98
Enzymatic activity
Catalytic site (original residue number in PDB) Y38 H40 E58 R77 H92 F100
Catalytic site (residue number reindexed from 1) Y38 H40 E58 R77 H92 F100
Enzyme Commision number 4.6.1.24: ribonuclease T1.
Gene Ontology
Molecular Function
GO:0003723 RNA binding
GO:0004519 endonuclease activity
GO:0004521 RNA endonuclease activity
GO:0004540 RNA nuclease activity
GO:0016829 lyase activity
GO:0046589 ribonuclease T1 activity
Biological Process
GO:0008150 biological_process
Cellular Component
GO:0001411 hyphal tip
GO:0030428 cell septum

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Biological Process
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Cellular Component
External links
PDB RCSB:1b2m, PDBe:1b2m, PDBj:1b2m
PDBsum1b2m
PubMed10029539
UniProtP00651|RNT1_ASPOR Guanyl-specific ribonuclease T1 (Gene Name=rntA)

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