Structure of PDB 3ttm Chain A

Receptor sequence
>3ttmA (length=341) Species: 287 (Pseudomonas aeruginosa) [Search protein sequence]
DNKVLHVYNWSDYIAPDTLEKFTKETGIKVVYDVYDSNEVLEAKLLAGKS
GYDVVVPSNSFLAKQIKAGVYQKLDKSKLPNWKNLNKDLMHTLEVSDPGN
EHAIPYMWGTIGIGYNPDKVKAAFGDNAPVDSWDLVFKPENIQKLKQCGV
SFLDSPTEILPAALHYLGYKPDTDNPKELKAAEELFLKIRPYVTYFHSSK
YISDLANGNICVAIGYSGDIYQAKSRAEEAKNKVTVKYNIPKEGAGSFFD
MVAIPKDAENTEGALAFVNFLMKPEIMAEITDVVQFPNGNAAATPLVSEA
IRNDPGIYPSEEVMKKLYTFPDLPAKTQRAMTRSWTKIKSG
3D structure
PDB3ttm 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
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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 PUT A W35 S36 D37 Y38 Y241 D244 F273 D275 F311 W10 S11 D12 Y13 Y216 D219 F248 D250 F286 MOAD: Kd=3nM
PDBbind-CN: -logKd/Ki=8.52,Kd=3.0nM
Gene Ontology
Molecular Function
GO:0019808 polyamine binding
GO:0019810 putrescine binding
Biological Process
GO:0015846 polyamine transport
Cellular Component
GO:0042597 periplasmic space

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:3ttm, PDBe:3ttm, PDBj:3ttm
PDBsum3ttm
PubMed22300763
UniProtQ9I6J1|SPUD_PSEAE Putrescine-binding periplasmic protein SpuD (Gene Name=spuD)

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