Structure of PDB 1a82 Chain A

Receptor sequence
>1a82A (length=224) Species: 562 (Escherichia coli) [Search protein sequence]
SKRYFVTGTDTEVGKTVASCALLQAAKAAGYRTAGYKPVASGSEKTPEGL
RNSDALALQRNSSLQLDYATVNPYTFAEPTSPHIISAQEGRPIESLVMSA
GLRALEQQADWVLVEGAGGWFTPLSDTFTFADWVTQEQLPVILVVGVKLG
CINHAMLTAQVIQHAGLTLAGWVANDVTPPGKRHAEYMTTLTRMIPAPLL
GEIPWLAENPENAATGKYINLALL
3D structure
PDB1a82 Snapshot of a phosphorylated substrate intermediate by kinetic crystallography.
ChainA
Resolution1.8 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) T11 E12 K15 T16 K37 S41 D54 E115
Catalytic site (residue number reindexed from 1) T11 E12 K15 T16 K37 S41 D54 E115
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 MG A T16 D54 E115 T16 D54 E115
BS02 DNN A T11 S41 P79 G118 T11 S41 P79 G118
BS03 ATP A T11 E12 G14 K15 T16 V17 E115 G118 N175 D176 W205 L206 E211 T11 E12 G14 K15 T16 V17 E115 G118 N175 D176 W205 L206 E211
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0004141 dethiobiotin synthase activity
GO:0005524 ATP binding
GO:0016874 ligase activity
GO:0042803 protein homodimerization 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:1a82, PDBe:1a82, PDBj:1a82
PDBsum1a82
PubMed9576910
UniProtP13000|BIOD1_ECOLI ATP-dependent dethiobiotin synthetase BioD 1 (Gene Name=bioD1)

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