Structure of PDB 1r7m Chain B Binding Site BS04

Receptor Information
>1r7m Chain B (length=223) Species: 4932 (Saccharomyces cerevisiae) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
NIKKNQVMNLGPNSKLLKEYKSQLIELNIEQFEAGIGLILGDAYIRSRDE
GKTYCMQFEWKNKAYMDHVCLLYDQWVLSPPHKKERVNHLGNLVITWGAQ
TFKHQAFNKLANLFIVNNKKTIPNNLVENYLTPMSLAYWFMDDGGKWDYN
KNSTNKSIVLNTQSFTFEEVEYLVKGLRNKFQLNCYVKINKNKPIIYIDS
MSYLIFYNLIKPYLIPQMMYKLP
Ligand information
Ligand IDCA
InChIInChI=1S/Ca/q+2
InChIKeyBHPQYMZQTOCNFJ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Ca++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Ca+2]
FormulaCa
NameCALCIUM ION
ChEMBL
DrugBankDB14577
ZINC
PDB chain1r7m Chain B Residue 537 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1r7m The crystal structure of the gene targeting homing endonuclease I-SceI reveals the origins of its target site specificity
Resolution2.25 Å
Binding residue
(original residue number in PDB)		G343 D344 D445
Binding residue
(residue number reindexed from 1)		G41 D42 D143
Annotation score4
Enzymatic activity
Enzyme Commision number 3.1.-.-
Gene Ontology
Molecular Function
GO:0004519 endonuclease activity
Biological Process
GO:0006314 intron homing
GO:0006397 mRNA processing
GO:0008380 RNA splicing
Cellular Component
GO:0005739 mitochondrion

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1r7m, PDBe:1r7m, PDBj:1r7m
PDBsum1r7m
PubMed14636596
UniProtP03882|SCE1_YEAST Intron-encoded endonuclease I-SceI (Gene Name=SCEI)

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