Structure of PDB 2a0i Chain A Binding Site BS01
Receptor Information
>2a0i Chain A (length=293) Species:
562
(Escherichia coli) [
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MMSIAQVRSAGSAGNFYTDVLGSGERWAGRGAEQLGLQGSVDKDVFTRLL
EGRLPDGADLSRMQDGSNRHRPGYDLTFSAPKSVSMMAMLGGDKRLIDAH
NQAVDFAVRQVEALASTRVTVLTGNLVMALFNHDTSRDQEPQLHTHAVVA
NVTQHNGEWKTLSSDKVGKTGFIENVYANQIAFGRLYREKLKEQVEALGY
ETEVVGKHGMWEMPGVPVEAFSGRSQTIREAVGEDASLKSRDVAALDTRK
SKQHVDPEIKMAEWMQTLKETGFDIRAYRDAADQRADLRTLTP
Ligand information
>2a0i Chain B (length=10) [
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tggggtgtgg
Receptor-Ligand Complex Structure
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PDB
2a0i
Inter- and intramolecular determinants of the specificity of single-stranded DNA binding and cleavage by the f factor relaxase.
Resolution
2.72 Å
Binding residue
(original residue number in PDB)
M1 M2 S3 I4 A5 S12 A13 F16 S85 A86 P87 K88 H146 S149 R150 Q155 H157 H159 I186 E187 Y190 Q193 R201 H221 M223 R237 S238 R242 L251 R254 D255 K265
Binding residue
(residue number reindexed from 1)
M1 M2 S3 I4 A5 S12 A13 F16 S79 A80 P81 K82 H133 S136 R137 Q142 H144 H146 I173 E174 Y177 Q180 R188 H208 M210 R224 S225 R229 L238 R241 D242 K252
Binding affinity
PDBbind-CN
: Kd=0.43nM
Enzymatic activity
Enzyme Commision number
3.6.4.12
: DNA helicase.
5.6.2.1
: DNA topoisomerase.
External links
PDB
RCSB:2a0i
,
PDBe:2a0i
,
PDBj:2a0i
PDBsum
2a0i
PubMed
16216584
UniProt
P14565
|TRAI1_ECOLI Multifunctional conjugation protein TraI (Gene Name=traI)
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