Structure of PDB 1qsg Chain B

Receptor sequence
>1qsgB (length=258) Species: 562 (Escherichia coli) [Search protein sequence]
GFLSGKRILVTGVASKLSIAYGIAQAMHREGAELAFTYQNDKLKGRVEEF
AAQLGSDIVLQCDVAEDASIDTMFAELGKVWPKFDGFVHSIGFAPGDQLD
GDYVNAVTREGFKIAHDISSYSFVAMAKACRSMLNPGSALLTLSYLGAER
AIPNYNVMGLAKASLEANVRYMANAMGPEGVRVNAISAGPIRTLAASGIK
DFRKMLAHCEAVTPIRRTVTIEDVGNSAAFLCSDLSAGISGEVVHVDGGF
SIAAMNEL
3D structure
PDB1qsg Structural basis and mechanism of enoyl reductase inhibition by triclosan.
ChainB
Resolution1.75 Å
3D
structure
Catalytic site residues are labeled in the structure
[Spin on]
[Spin off]
[Reset orientation]

[High quality]
[Low quality]

[White background]
[Black background]

[Download]
[Download structure with residue number starting from 1]
Enzymatic activity
Catalytic site (original residue number in PDB) S145 Y156 M159 K163 I200
Catalytic site (residue number reindexed from 1) S144 Y155 M158 K162 I199
Enzyme Commision number 1.3.1.9: enoyl-[acyl-carrier-protein] reductase (NADH).
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 GLC B Q40 F94 Q39 F93
BS02 NAD B G13 S19 I20 Q40 V65 S91 I92 S145 Y146 K163 A189 P191 I192 T194 A196 G12 S18 I19 Q39 V64 S90 I91 S144 Y145 K162 A188 P190 I191 T193 A195
BS03 TCL B G93 A95 L100 Y146 Y156 A196 I200 G92 A94 L99 Y145 Y155 A195 I199 BindingDB: IC50=430nM
Gene Ontology
Molecular Function
GO:0004318 enoyl-[acyl-carrier-protein] reductase (NADH) activity
GO:0005515 protein binding
GO:0016491 oxidoreductase activity
GO:0042802 identical protein binding
GO:0070404 NADH binding
Biological Process
GO:0006633 fatty acid biosynthetic process
GO:0008610 lipid biosynthetic process
GO:0009102 biotin biosynthetic process
GO:0030497 fatty acid elongation
GO:0046677 response to antibiotic
GO:0051289 protein homotetramerization
Cellular Component
GO:0005829 cytosol
GO:0016020 membrane
GO:0032991 protein-containing complex
GO:1902494 catalytic complex

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:1qsg, PDBe:1qsg, PDBj:1qsg
PDBsum1qsg
PubMed10398587
UniProtP0AEK4|FABI_ECOLI Enoyl-[acyl-carrier-protein] reductase [NADH] FabI (Gene Name=fabI)

[Back to BioLiP]