Structure of PDB 6s3x Chain B

Receptor sequence
>6s3xB (length=474) Species: 1079 (Blastochloris viridis) [Search protein sequence]
DWPVYHRIDGPIVMIGFGSIGRGTLPLIERHFAFDRSKLVVIDPSDEARK
LAEARGVRFIQQAVTRDNYRELLVPLLTAGPGQGFCVNLSVDTSSLDIME
LARENGALYIDTVVEPWLGFYFDPDLKPEARSNYALRETVLAARRNKPGG
TTAVSCCGANPGMVSWFVKQALVNLAADLGVTGEEPTTREEWARLAMDLG
VKGIHIAQRDTQRASFPKPFDVFVNTWSVEGFVSEGLQPAELGWGTFERW
MPDNARGHDSGCGAGIYLLQPGANTRVRSWTPTAMAQYGFLVTHNESISI
ADFLTVRDAAGQAVYRPTCHYAYHPCNDAVLSLHEMFGSGKRQSDWRILD
ETEIVDGIDELGVLLYGHGKNAYWYGSQLSIEETRRIAPDQNATGLQVSS
AVLAGMVWALENPNAGIVEADDLDFRRCLEVQTPYLGPVVGVYTDWTPLA
GRPGLFPEDIDTSDPWQFRNVLVR
3D structure
PDB6s3x Structural and catalytic characterization of Blastochloris viridis and Pseudomonas aeruginosa homospermidine synthases supports the essential role of cation-pi interaction.
ChainB
Resolution1.72 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 AG2 B R146 R191 D424 R144 R189 D422
BS02 NAD B 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:6s3x, PDBe:6s3x, PDBj:6s3x
PDBsum6s3x
PubMed34605434
UniProtO32323|HSS_BLAVI Homospermidine synthase (Gene Name=hss)

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