Structure of PDB 2hmi Chain A

Receptor sequence

>2hmiA (length=558) Species: 11676 (Human immunodeficiency virus 1)

PISPIETVPVKLKPGMDGPKVKQWPLTEEKIKALVEICTEMEKEGKISKI
GPENPYNTPVFAIKKKDSTKWRKLVDFRELNKRTQDFWEVQLGIPHPAGL
KKKKSVTVLDVGDAYFSVPLDEDFRKYTAFTIPSINNETPGIRYQYNVLP
QGWKGSPAIFQSSMTKILEPFKKQNPDIVIYQYMDDLYVGSDLEIGQHRT
KIEELRQHLLRWGLTTPDKKHQKEPPFLWMGYELHPDKWTVQPIVLPEKD
SWTVNDIQKLVGKLNWASQIYPGIKVRQLSKLLRGTKALTEVIPLTEEAE
LELAENREILKEPVHGVYYDPSKDLIAEIQKQGQGQWTYQIYQEPFKNLK
TGKYARMRGAHTNDVKQLTEAVQKITTESIVIWGKTPKFKLPIQKETWET
WWTEYWQATWIPEWEFVNTPPLVKLWYQLEKEPIVGAETFYVDGAANRET
KLGKAGYVTNKGRQKVVPLTNTTNQKTELQAIYLALQDSGLEVNIVTDSQ
YALGIIQAQPDKSESELVNQIIEQLIKKEKVYLAWVPAHKGIGGNEQVDK
LVSAGIRK

3D structure

• PDB: 2hmi Structure and functional implications of the polymerase active site region in a complex of HIV-1 RT with a double-stranded DNA template-primer and an antibody Fab fragment at 2.8 A resolution.
• Chain: A
• Resolution: 2.8 Å

Enzymatic activity

• Enzyme Commision number: 2.7.7.-
  2.7.7.49: RNA-directed DNA polymerase.
  2.7.7.7: DNA-directed DNA polymerase.
  3.1.-.-
  3.1.13.2: exoribonuclease H.
  3.1.26.13: retroviral ribonuclease H.
  3.4.23.16: HIV-1 retropepsin.

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	E89 G152 P157 N265 S280 G285 K353	E89 G152 P157 N265 S280 G285 K353
BS02	dna	A	Y183 D185 M230 Q258 K259 K263 W266 T473 Q475 Y501	Y183 D185 M230 Q258 K259 K263 W266 T473 Q475 Y501

Gene Ontology

Molecular Function

• GO:0003676 nucleic acid binding
• GO:0003964 RNA-directed DNA polymerase activity
• GO:0004523 RNA-DNA hybrid ribonuclease activity

Biological Process

• GO:0006278 RNA-templated DNA biosynthetic process

External links

• PDB: RCSB:2hmi, PDBe:2hmi, PDBj:2hmi
• PDBsum: 2hmi
• PubMed: 9837729
• UniProt: P03366|POL_HV1B1 Gag-Pol polyprotein (Gene Name=gag-pol)