Structure of PDB 2qkk Chain R Binding Site BS01

Receptor Information
>2qkk Chain R (length=148) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
HMGDFVVVYTDGCCSSNGRRRPRAGIGVYWGPGHPLNVGIRLPGRQTNQR
AEIHAACKAIEQAKTQNINKLVLYTNSMFTINGITNWVQGWKKNGWKTSA
GKEVINKEDFVALERLTQGMDIQWMHVPGHSGFIGNEEADRLAREGAK
Ligand information
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB2qkk Structure of Human RNase H1 Complexed with an RNA/DNA Hybrid: Insight into HIV Reverse Transcription
Resolution3.2 Å
Binding residue
(original residue number in PDB)		C148 S149 S150 N151 R153 N182 E186 N210 M212
Binding residue
(residue number reindexed from 1)		C14 S15 S16 N17 R19 N48 E52 N76 M78
Enzymatic activity
Catalytic site (original residue number in PDB) D145 G146 E186 N210 H264 D274
Catalytic site (residue number reindexed from 1) D11 G12 E52 N76 H130 D140
Enzyme Commision number 3.1.26.4: ribonuclease H.
Gene Ontology
Molecular Function
GO:0003676 nucleic acid binding
GO:0004523 RNA-DNA hybrid ribonuclease activity

View graph for
Molecular Function
External links
PDB RCSB:2qkk, PDBe:2qkk, PDBj:2qkk
PDBsum2qkk
PubMed17964265
UniProtO60930|RNH1_HUMAN Ribonuclease H1 (Gene Name=RNASEH1)

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