Structure of PDB 4pcb Chain A

Receptor sequence

>4pcbA (length=280) Species: 562 (Escherichia coli) [Search protein sequence]

MLSHMVLTRQDIGRAASYYASEWQGKGAEELGLSGEVDSKRFRELLAGNI
GEGHRIMRSATRQDSKERIGLDLTFSAPKSVSLQALVAGDAEIIKAHDRA
VARTLEQAEARAQARQKIQGKTRIETTGNLVIGKFRHETSRERDPQLHTH
AVILNMTKRSDGQWRALKNDEIVKATRYLGAVYNAELAHELQKLGYQLRY
GKDGNFDLAHIDRQQIEGFSKRTEQIAEWYAARGLDPNSVSLEQKQAAKV
LSRAKKTSVDREALRAEWQATAKELGIDFS

3D structure

PDB

4pcb A high security double lock and key mechanism in HUH relaxases controls oriT-processing for plasmid conjugation.

Chain

Resolution

2.5 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	dna	A	M1 S3 H4 V6 A73 T74 R75 Q76 K79 S89 A90 P91 K92 R128 K130 Q132 G133 S153 Q159 R172 R178 A179 N182 D183 V186 R190 G193 D216 N218 S233 R235 T236 K258	M1 S3 H4 V6 A60 T61 R62 Q63 K66 S76 A77 P78 K79 R115 K117 Q119 G120 S140 Q146 R159 R165 A166 N169 D170 V173 R177 G180 D203 N205 S220 R222 T223 K245

External links

PDB	RCSB:4pcb, PDBe:4pcb, PDBj:4pcb
PDBsum	4pcb
PubMed	25123661
UniProt	Q47673

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