Structure of PDB 3ttn Chain A

Receptor sequence
>3ttnA (length=335) Species: 287 (Pseudomonas aeruginosa) [Search protein sequence]
SLHIYNWTDYIAPTTLKDFTKESGIDVSYDVFDSNETLEGKLVSGHSGYD
IVVPSNNFLGKQIQAGAFQKLDKSKLPNWKNLDPALLKQLEVSDPGNQYA
VPYLWGTNGIGYNVAKVKEVLGDQPIDSWAILFEPENMKKLAKCGVAFMD
SGDEMLPAALNYLGLDPNTHDPKDYKKAEEVLTKVRPYVSYFHSSKYISD
LANGNICVAFGYSGDVFQAAARAEEAGKGIDIQYVIPKEGANLWFDLMAI
PADAKAADNAYAFIDYLLRPEVIAKVSDYVGYANAIPGARPLMDKSVSDS
EEVYPPQAVLDKLYVSAVLPAKVLRLQTRTWTRIK
3D structure
PDB3ttn Structural Basis of Substrate Binding Specificity Revealed by the Crystal Structures of Polyamine Receptors SpuD and SpuE from Pseudomonas aeruginosa
ChainA
Resolution2.0 Å
3D
structure
[Spin on]
[Spin off]
[Reset orientation]

[High quality]
[Low quality]

[White background]
[Black background]

[Download]
[Download structure with residue number starting from 1]
Enzymatic activity
Enzyme Commision number ?
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 A W34 T35 Y37 S82 E181 Y239 D242 W271 D273 W7 T8 Y10 S55 E154 Y212 D215 W244 D246 MOAD: Kd=14.3nM
PDBbind-CN: -logKd/Ki=7.84,Kd=14.3nM
Gene Ontology
Molecular Function
GO:0019808 polyamine binding
GO:0019809 spermidine binding
Biological Process
GO:0015846 polyamine transport
Cellular Component
GO:0005615 extracellular space
GO:0042597 periplasmic space

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:3ttn, PDBe:3ttn, PDBj:3ttn
PDBsum3ttn
PubMed22300763
UniProtQ9I6J0|SPUE_PSEAE Spermidine-binding periplasmic protein SpuE (Gene Name=spuE)

[Back to BioLiP]