Structure of PDB 4xr4 Chain B Binding Site BS04

Receptor Information
>4xr4 Chain B (length=474) Species: 1079 (Blastochloris viridis) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
DWPVYHRIDGPIVMIGFGSIGRGTLPLIERHFAFDRSKLVVIDPSDEARK
LAEARGVRFIQQAVTRDNYRELLVPLLTAGPGQGFCVNLSVDTSSLDIME
LARENGALYIDTVVEPWLGFYFDPDLKPEARSNYALRETVLAARRNKPGG
TTAVSCCGANPGMVSWFVKQALVNLAADLGVTGEEPTTREEWARLAMDLG
VKGIHIAERDTQRASFPKPFDVFVNTWSVEGFVSEGLQPAELGWGTFERW
MPDNARGHDSGCGAGIYLLQPGANTRVRSWTPTAMAQYGFLVTHNESISI
ADFLTVRDAAGQAVYRPTCHYAYHPCNDAVLSLHEMFGSGKRQSDWRILD
ETEIVDGIDELGVLLYGHGKNAYWYGSQLSIEETRRIAPDQNATGLQVSS
AVLAGMVWALENPNAGIVEADDLDFRRCLEVQTPYLGPVVGVYTDWTPLA
GRPGLFPEDIDTSDPWQFRNVLVR
Ligand information
Ligand ID1PS
InChIInChI=1S/C8H11NO3S/c10-13(11,12)8-4-7-9-5-2-1-3-6-9/h1-3,5-6H,4,7-8H2
InChIKeyREEBJQTUIJTGAL-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[O-][S](=O)(=O)CCC[n+]1ccccc1
ACDLabs 10.04[O-]S(=O)(=O)CCC[n+]1ccccc1
OpenEye OEToolkits 1.5.0c1cc[n+](cc1)CCCS(=O)(=O)[O-]
FormulaC8 H11 N O3 S
Name3-PYRIDINIUM-1-YLPROPANE-1-SULFONATE;
1-(3-SULFOPROPYL) PYRIDINIUM;
PPS
ChEMBL
DrugBank
ZINC
PDB chain4xr4 Chain B Residue 509 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB4xr4 Comprehensive Structural Characterization of the Bacterial Homospermidine Synthase-an Essential Enzyme of the Polyamine Metabolism.
Resolution1.626 Å
Binding residue
(original residue number in PDB)		M338 G342 K343 R344
Binding residue
(residue number reindexed from 1)		M336 G340 K341 R342
Annotation score1
Enzymatic activity
Enzyme Commision number 2.5.1.44: homospermidine synthase.
Gene Ontology
Molecular Function
GO:0016740 transferase activity
GO:0047296 homospermidine synthase activity
GO:0050514 homospermidine synthase (spermidine-specific) activity

View graph for
Molecular Function
External links
PDB RCSB:4xr4, PDBe:4xr4, PDBj:4xr4
PDBsum4xr4
PubMed26776105
UniProtO32323|HSS_BLAVI Homospermidine synthase (Gene Name=hss)

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