Structure of PDB 3qxh Chain A

Receptor sequence
>3qxhA (length=224) Species: 85962 (Helicobacter pylori 26695) [Search protein sequence]
FQGHMLFISATNTNAGKTTCARLLAQYCNACGVKTILLKPIETGVNDAIN
HSSDAHLFLQDNRLLDRSLTLKDISFYRYHKVSAPLIAQQEEDPNAPIDT
DNLTQRLHNFTKTYDLVIVEGAGGLCVPITLEENMLDFALKLKAKMLLIS
HDNLGLINDCLLNDFLLKSHQLDYKIAINLKGNNTAFHSISLPYIELFNT
RSNNPIVIFQQSLKVLMSFALKGS
3D structure
PDB3qxh Structural characterization of Helicobacter pylori dethiobiotin synthetase reveals differences between family members.
ChainA
Resolution1.36 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) T9 N10 K13 T14 K35 T39 D50 E116
Catalytic site (residue number reindexed from 1) T13 N14 K17 T18 K39 T43 D54 E120
Enzyme Commision number 6.3.3.3: dethiobiotin synthase.
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 8AC A T9 T39 S79 T13 T43 S83
BS02 ADP A N10 G12 K13 T14 T15 N175 K177 N14 G16 K17 T18 T19 N179 K181 MOAD: Kd=5.8uM
PDBbind-CN: -logKd/Ki=5.24,Kd=5.8uM
BS03 MG A T14 D50 E116 T18 D54 E120
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0004141 dethiobiotin synthase activity
GO:0005524 ATP binding
GO:0016874 ligase activity
GO:0046872 metal ion binding
Biological Process
GO:0009102 biotin biosynthetic process
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol

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Cellular Component
External links
PDB RCSB:3qxh, PDBe:3qxh, PDBj:3qxh
PDBsum3qxh
PubMed22284390
UniProtO24872|BIOD_HELPY ATP-dependent dethiobiotin synthetase BioD (Gene Name=bioD)

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