Structure of PDB 4q0b Chain C

Receptor sequence

>4q0bC (length=555) Species: 11678 (Human immunodeficiency virus type 1 BH10)

VPISPIETVPVKLKPGMDGPKVKQWPLTEEKIKALVEICTEMEKEGKISK
IGPENPYNTPVFAIKKKDSTKWRKLVDFRELNKRTQDFWEVQLGIPHPAG
LKKKKSVTVLDVGDAYFSVPLDEDFRKYTAFTIPSINNETPGIRYQYNVL
PQGWKGSPAIFQSSMTKILEPFKKQNPDIVIYQYMDDLYVGSDLEIGQHR
TKIEELRQHLLRWGLTTPDKKHQKEPPFLWMGYELHPDKWTVQPIVLPEK
DSWTVNDICKLVGKLNWASQIYPGIKVRQLSKLLRGTKALTEVIPLTEEA
ELELAENREILKEPVHGVYYDPSKDLIAEIQKQGQGQWTYQIYQEPFKNL
KTGKYARMRGAHTNDVKQLTEAVQKITTESIVIWGKTPKFKLPIQKETWE
TWWTEYWQATWIPEWEFVNTPPLVKLWYQLEKEPIVGAETFYVDGAANRE
TKLGKAGYVTNKGRQKVVPLTNTTNQKTELQAIYLALQDSGLEVNIVTNS
QYALGIIQAQPDKSESELVNQIIEQLIKKEKVYLAWVPAHKGIGGNEQVD
KLVSA

3D structure

• PDB: 4q0b Structures of HIV-1 RT-RNA/DNA ternary complexes with dATP and nevirapine reveal conformational flexibility of RNA/DNA: insights into requirements for RNase H cleavage.
• Chain: C
• Resolution: 3.3 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	rna	C	I63 E89	I64 E90
BS02	dna	C	M230 G231 C258 K259 G262 K263 R358 G359 A360 K451 T473 Q475 Y501	M231 G232 C259 K260 G263 K264 R359 G360 A361 K452 T474 Q476 Y502
BS03	rna	C	R448 N474 Q500 Y501	R449 N475 Q501 Y502
BS04	MN	C	D443 G444 D549	D444 G445 D550

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:4q0b, PDBe:4q0b, PDBj:4q0b
• PDBsum: 4q0b
• PubMed: 24880687
• UniProt: P03366|POL_HV1B1 Gag-Pol polyprotein (Gene Name=gag-pol)