Structure of PDB 4xrg Chain B Binding Site BS03

Receptor Information
>4xrg 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
MPDNARGHDSGCGAGIYLLQPGANTRVRSWTPTAMAQYGFLVTSNESISI
ADFLTVRDAAGQAVYRPTCHYAYHPCNDAVLSLHEMFGSGKRQSDWRILD
ETEIVDGIDELGVLLYGHGKNAYWYGSQLSIEETRRIAPDQNATGLQVSS
AVLAGMVWALENPNAGIVEADDLDFRRCLEVQTPYLGPVVGVYTDWTPLA
GRPGLFPEDIDTSDPWQFRNVLVR
Ligand information
Ligand IDPUT
InChIInChI=1S/C4H12N2/c5-3-1-2-4-6/h1-6H2
InChIKeyKIDHWZJUCRJVML-UHFFFAOYSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0C(CCN)CN
ACDLabs 10.04
CACTVS 3.341		NCCCCN
FormulaC4 H12 N2
Name1,4-DIAMINOBUTANE;
PUTRESCINE
ChEMBLCHEMBL46257
DrugBankDB01917
ZINCZINC000005828633
PDB chain4xrg Chain B Residue 503 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB4xrg Comprehensive Structural Characterization of the Bacterial Homospermidine Synthase-an Essential Enzyme of the Polyamine Metabolism.
Resolution1.3 Å
Binding residue
(original residue number in PDB)		N162 E210 W229
Binding residue
(residue number reindexed from 1)		N160 E208 W227
Annotation score5
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:4xrg, PDBe:4xrg, PDBj:4xrg
PDBsum4xrg
PubMed26776105
UniProtO32323|HSS_BLAVI Homospermidine synthase (Gene Name=hss)

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