Structure of PDB 4aq4 Chain A

Receptor sequence
>4aq4A (length=418) Species: 83333 (Escherichia coli K-12) [Search protein sequence]
GSHMVTTIPFWHSMEGELGKEVDSLAQRFNAENPDYKIVPTYKGNYEQNL
SAGIAAFRTGNAPAILQVYEVGTATMMASKAIKPVYDVFKEAGIQFDESQ
FVPTVSGYYSDSKTGHLLSQPFNSSTPVLYYNKDAFKKAGLDPEQPPKTW
QDLADYAAKLKASGMKCGYASGWQGWIQLENFSAWNGLPFASKNNGFDGT
DAVLEFNKPEQVKHIAMLEEMNKKGDFSYVGRKDESTEKFYNGDCAMTTA
SSGSLANIREYAKFNYGVGMMPYDADAKDAPQNAIIGGASLWVMQGKDKE
TYTGVAKFLDFLAKPENAAEWHQKTGYLPITKAAYDLTREQGFYEKNPGA
DTATRQMLNKPPLPFTKGLRLGNMPQIRVIVDEELESVWTGKKTPQQALD
TAVERGNQLLRRFEKSTK
3D structure
PDB4aq4 Determinants of Substrate Specificity and Biochemical Properties of the Sn-Glycerol-3-Phosphate ATP Binding Cassette Transporter (Ugpb-Aec(2) ) of Escherichia Coli.
ChainA
Resolution1.8 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 G3P A Y42 E66 S121 W169 W172 S247 G283 G284 Y323 R374 Y46 E70 S125 W173 W176 S251 G287 G288 Y327 R378 MOAD: Kd=0.68uM
PDBbind-CN: -logKd/Ki=6.17,Kd=0.68uM
BS02 GOL A S9 M10 E11 Y42 W169 D230 S13 M14 E15 Y46 W173 D234
BS03 GOL A G103 K363 G107 K367
BS04 CO A G-3 S-2 H-1 G1 S2 H3
Gene Ontology
Biological Process
GO:0001407 glycerophosphodiester transmembrane transport
GO:0015794 glycerol-3-phosphate transmembrane transport
GO:0055085 transmembrane transport
Cellular Component
GO:0016020 membrane
GO:0030288 outer membrane-bounded periplasmic space
GO:0042597 periplasmic space
GO:1902517 glycerol-3-phosphate-transporting ATPase complex

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Biological Process

View graph for
Cellular Component
External links
PDB RCSB:4aq4, PDBe:4aq4, PDBj:4aq4
PDBsum4aq4
PubMed23013274
UniProtP0AG80|UGPB_ECOLI sn-glycerol-3-phosphate-binding periplasmic protein UgpB (Gene Name=ugpB)

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