Structure of PDB 1usk Chain B

Receptor sequence
>1uskB (length=345) Species: 562 (Escherichia coli) [Search protein sequence]
DDIKVAVVGAMSGPIAQWGDMEFNGARQAIKDINAKGGIKGDKLVGVEYD
DACDPKQAVAVANKIVNDGIKYVIGHLCSSSTQPASDIYEDEGILMISPG
ATNPELTQRGYQHIMRTAGLDSSQGPTAAKYILETVKPQRIAIIHDKQQY
GEGLARSVQDGLKAANANVVFFDGITAGEKDFSALIARLKKENIDFVYYG
GYYPEMGQMLRQARSVGLKTQFMGPEGVGNASLSNIAGDAAEGMLVTMPK
RYDQDPANQGIVDALKADKKDPSGPYVWITYAAVQSLATALERTGSDEPL
ALVKDLKANGANTVIGPLNWDEKGDLKGFDFGVFQWHADGSSTKA
3D structure
PDB1usk X-Ray Structures of the Leucine-Binding Protein Illustrate Conformational Changes and the Basis of Ligand Specificity
ChainB
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 LEU B L77 S79 G100 T102 Y150 Y202 E226 Y276 L77 S79 G100 T102 Y150 Y202 E226 Y276 MOAD: Kd=0.4uM
Gene Ontology
Molecular Function
GO:0070728 L-leucine binding
Biological Process
GO:0006865 amino acid transport
GO:0015803 branched-chain amino acid transport
GO:0015820 L-leucine transport
GO:0015823 phenylalanine transport
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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Molecular Function
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Cellular Component
External links
PDB RCSB:1usk, PDBe:1usk, PDBj:1usk
PDBsum1usk
PubMed14672931
UniProtP04816|LIVK_ECOLI Leucine-specific-binding protein (Gene Name=livK)

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