Structure of PDB 4xq9 Chain A

Receptor sequence
>4xq9A (length=474) Species: 1079 (Blastochloris viridis) [Search protein sequence]
DWPVYHRIDGPIVMIGFGSIGRGTLPLIERHFAFDRSKLVVIDPSDEARK
LAEARGVRFIQQAVTRDNYRELLVPLLTAGPGQGFCVNLSVDTSSLDIME
LARENGALYIDTVVEPWLGFYFDPDLKPEARSNYALRETVLAARRNKPGG
TTAVSCCGANPGMVSWFVKQALVNLAADLGVTGEEPTTREEWARLAMDLG
VKGIHIAERDTQRASFPKPFDVFVNTWSVEGFVSEGLQPAELGWGTFERW
MPDNARGHDSGCGAGIYLLQPGANTRVRSWTPTAMAQYGFLVTHNESISI
ADFLTVRDAAGQAVYRPTCHYAYHPCNDAVLSLHEMFGSGKRQSDWRILD
ETEIVDGIDELGVLLYGHGKNAYWYGSQLSIEETRRIAPDQNATGLQVSS
AVLAGMVWALENPNAGIVEADDLDFRRCLEVQTPYLGPVVGVYTDWTPLA
GRPGLFPEDIDTSDPWQFRNVLVR
3D structure
PDB4xq9 Comprehensive Structural Characterization of the Bacterial Homospermidine Synthase-an Essential Enzyme of the Polyamine Metabolism.
ChainA
Resolution1.6 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 2.5.1.44: homospermidine synthase.
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 NAD A G20 S21 I22 D45 P46 A65 V66 S92 V93 T95 T114 G160 A161 N162 P163 W229 S230 V400 G18 S19 I20 D43 P44 A63 V64 S90 V91 T93 T112 G158 A159 N160 P161 W227 S228 V398
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:4xq9, PDBe:4xq9, PDBj:4xq9
PDBsum4xq9
PubMed26776105
UniProtO32323|HSS_BLAVI Homospermidine synthase (Gene Name=hss)

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