Structure of PDB 6qmm Chain B

Receptor sequence
>6qmmB (length=280) Species: 1140 (Synechococcus elongatus PCC 7942 = FACHB-805) [Search protein sequence]
PVWIDEVFEDRVRYGLRGQILWEETSPFQKITIVDTEHYGRGLLLDDCWM
TAERCEVCYHEYLVHPPLTTAASIARVLVIGGGDGGTVREVLRYAEVEQV
DLVEIDGRVVELSQEYLGAIGTAWADPRLNVKIGDGIAFVQTAPDASYDV
ILVDGSDPAGPAAGLFNREFYENCRRVLKPGGVFASQAESPDSFLAVHLE
MIETLSAVFAEAKPYYGWVPMYPSGWWSWLYASDTPGQFQKPQSDRLAAI
EPQVEIYNRDIHQAAFAQPNFVRRGLSARQ
3D structure
PDB6qmm Crystal structure of dimericSynechococcusspermidine synthase with bound polyamine substrate and product.
ChainB
Resolution2.18 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 2.5.1.16: spermidine 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 M55 Y64 D89 D159 G160 D162 Y227 M50 Y59 D84 D154 G155 D157 Y222
BS02 MTA B M55 G86 D89 E109 I110 G141 D159 P166 A167 M50 G81 D84 E104 I105 G136 D154 P161 A162
BS03 PXN B P185 G186 D239 T240 Q243 P180 G181 D234 T235 Q238
Gene Ontology
Molecular Function
GO:0003824 catalytic activity
GO:0004766 spermidine synthase activity
GO:0016740 transferase activity
Biological Process
GO:0006596 polyamine biosynthetic process
GO:0008295 spermidine biosynthetic process
Cellular Component
GO:0005737 cytoplasm

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Molecular Function
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Cellular Component
External links
PDB RCSB:6qmm, PDBe:6qmm, PDBj:6qmm
PDBsum6qmm
PubMed30877192
UniProtQ31QK9|SPEE_SYNE7 Polyamine aminopropyltransferase (Gene Name=speE)

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