Structure of PDB 1sgl Chain A

Receptor sequence
>1sglA (length=206) Species: 282652 (Trichosanthes lepiniana) [Search protein sequence]
EFDYFILALQWAGTSCRSGGACCPYNGCCKADSPTQFTIHGLRPEYSGGE
RPSCCTGGSFDPDEIMPFFGKLVEYWPTYRCALEQSCNNRKEILWGQQYE
KHGTCASPVIKGEWNYFKKTLKLFMKYNVDKALEDAGIVASNSKMYDLKD
IVVAVESAVGARPKLRCDEEGLVQKLSLCFDKDFKPRDCVQVGSCPRYVS
LPEIPD
3D structure
PDB1sgl The three-dimensional structure and X-ray sequence reveal that trichomaglin is a novel S-like ribonuclease.
ChainA
Resolution2.2 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) H43 R46 E53 I96 L97 Q101
Catalytic site (residue number reindexed from 1) H40 R43 E50 I93 L94 Q98
Enzyme Commision number 3.1.-.-
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 SO4 A H43 Q101 K104 H105 H40 Q98 K101 H102
BS02 SO4 A Q13 H43 T81 Y82 R83 E87 Q10 H40 T78 Y79 R80 E84
BS03 SO4 A R46 K167 R43 K164
Gene Ontology
Molecular Function
GO:0003723 RNA binding
GO:0004521 RNA endonuclease activity
GO:0033897 ribonuclease T2 activity
Biological Process
GO:0006401 RNA catabolic process
Cellular Component
GO:0005576 extracellular region

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Cellular Component
External links
PDB RCSB:1sgl, PDBe:1sgl, PDBj:1sgl
PDBsum1sgl
PubMed15274921
UniProtE0CX00

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