Structure of PDB 3c6k Chain B

Receptor sequence
>3c6kB (length=345) Species: 9606 (Homo sapiens) [Search protein sequence]
SRHSTLDFMLGDGETILKGLQSIFQEQGMAESVHTWQDHGYLATYTNKNG
SFANLRIYPHGLVLLDLQSYDQGKEEIDSILNKVEERMKELSRVKRLPPI
VRGGAIDRYWPTADGRLVEYDIDEVVYDEDSPYQNIKILHSKQFGNILIL
SGDVNLAESDLAYTRAIMGSGKEDYTGKDVLILGGGDGGILCEIVKLKPK
MVTMVEIDQMVIDGCKKYMRKVLDNLKGDCYQVLIEDCIPVLKRYAKEGR
EFDYVINDLTAVPISTSPSTWEFLRLILDLSMKVLKQDGKYFTQGNCVNL
TEALSLYEEQLGRLYCPVEFSKEIVCVPSYLELWVFYTVWKKAKP
3D structure
PDB3c6k Crystal structure of human spermine synthase: implications of substrate binding and catalytic mechanism.
ChainB
Resolution1.95 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 2.5.1.22: spermine 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 SPD B D169 V170 N171 L279 Y353 E355 W357 D153 V154 N155 L259 Y330 E332 W334
BS02 MTA B L166 G200 G201 D203 E222 I223 C258 D278 L279 T280 I284 L150 G184 G185 D187 E206 I207 C238 D258 L259 T260 I264 MOAD: Ki=0.3uM
Gene Ontology
Molecular Function
GO:0016740 transferase activity
GO:0016768 spermine synthase activity
Biological Process
GO:0006555 methionine metabolic process
GO:0006595 polyamine metabolic process
GO:0006596 polyamine biosynthetic process
GO:0006597 spermine biosynthetic process
GO:0008215 spermine metabolic process
Cellular Component
GO:0005829 cytosol
GO:0070062 extracellular exosome

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:3c6k, PDBe:3c6k, PDBj:3c6k
PDBsum3c6k
PubMed18367445
UniProtP52788|SPSY_HUMAN Spermine synthase (Gene Name=SMS)

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