Structure of PDB 1wdn Chain A

Receptor sequence
>1wdnA (length=223) Species: 562 (Escherichia coli) [Search protein sequence]
KLVVATDTAFVPFEFKQGDLYVGFDVDLWAAIAKELKLDYELKPMDFSGI
IPALQTKNVDLALAGITITDERKKAIDFSDGYYKSGLLVMVKANNNDVKS
VKDLDGKVVAVKSGTGSVDYAKANIKTKDLRQFPNIDNAYMELGTNRADA
VLHDTPNILYFIKTAGNGQFKAVGDSLEAQQYGIAFPKGSDELRDKVNGA
LKTLRENGTYNEIYKKWFGTEPK
3D structure
PDB1wdn The structure of glutamine-binding protein complexed with glutamine at 1.94 A resolution: comparisons with other amino acid binding proteins.
ChainA
Resolution1.94 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 GLN A F13 F50 G68 T70 R75 K115 T118 H156 D157 F10 F47 G65 T67 R72 K112 T115 H153 D154 MOAD: Kd=0.5uM
PDBbind-CN: -logKd/Ki=6.30,Kd=0.5uM
Gene Ontology
Molecular Function
GO:0015276 ligand-gated monoatomic ion channel activity
GO:0070406 glutamine binding
Biological Process
GO:0006865 amino acid transport
GO:0006868 glutamine transport
GO:0034220 monoatomic ion transmembrane transport
GO:1903803 L-glutamine import across plasma membrane
Cellular Component
GO:0016020 membrane
GO:0030288 outer membrane-bounded periplasmic space
GO:0042597 periplasmic space
GO:0055052 ATP-binding cassette (ABC) transporter complex, substrate-binding subunit-containing

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Cellular Component
External links
PDB RCSB:1wdn, PDBe:1wdn, PDBj:1wdn
PDBsum1wdn
PubMed9571045
UniProtP0AEQ3|GLNH_ECOLI Glutamine-binding periplasmic protein (Gene Name=glnH)

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