Structure of PDB 2q89 Chain A

Receptor sequence
>2q89A (length=257) Species: 382 (Sinorhizobium meliloti) [Search protein sequence]
RDENKLEELKEQGFARIAIANEPPFTAVGADGKVSGAAPDVAREIFKRLG
VADVVASISEYGAMIPGLQAGRHDAITAGLFMKPERCAAVAYSQPILCDA
EAFALKKGNPLGLKSYKDIADNPDAKIGAPGGGTEEKLALEAGVPRDRVI
VVPDGQSGLKMLQDGRIDVYSLPVLSINDLVSKANDPNVEVLAPVEGAPV
YCDGAAFRKGDEALRDAFDVELAKLKESGEFAKIIEPYGFSAKAAMSTTR
EKLCAAK
3D structure
PDB2q89 Crystal structure of the ligand-binding protein EhuB from Sinorhizobium meliloti reveals substrate recognition of the compatible solutes ectoine and hydroxyectoine.
ChainA
Resolution2.3 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 6CS A E21 F24 Y60 G78 L79 F80 R85 G132 T133 E134 P172 E22 F25 Y61 G79 L80 F81 R86 G133 T134 E135 P173 MOAD: Kd=0.5uM
PDBbind-CN: -logKd/Ki=6.30,Kd=0.5uM
Gene Ontology
Molecular Function
GO:0033294 ectoine binding
Biological Process
GO:0051470 ectoine transmembrane 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:2q89, PDBe:2q89, PDBj:2q89
PDBsum2q89
PubMed17996893
UniProtQ92WC8

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