Table 2.

Common Regions for Superpositionings: MoMLV RT and HIV-1 RT

Domain or Subdomain	MoMLV RT Residues	HIV-1 RT Residuesa	Secondary structure
Fingers/Palm	68–84	28–43	α-helix
	194–214	155–175	α-helix
	217–222	178–183	β-strand
	225–230	186–191	β-strand
	233–250	195–212	α-helix
	264–269	225–230	β-strand
	271–275	232–236	β-strand
Thumb	295–308	255–268	α-helix
	312–315	273–276	β-strand
	316–323	277–284	α-helix
	343–356	299–312	α-helix
Connection	391–401	348–358	β-strand
	411–427	366–382	α-helix
	439–449	395–405	α-helix
	452–457	408–413	β-strand
RNase H	519–528	438–447	β-strand
	533–540	452–459	β-strand
	547–552	463–468	β-strand
	559–573	475–489	α-helix
	577–582	492–497	β-strand
	584–592	499–507	α-helix
	615–626	516–527	α-helix
	629–634	530–535	β-strand
	648–657	544–553	α-helix

^aCommon regions listed here are from PDB code 1HYS.

Other HIV-1 RT structures might contain more gaps, thus fewer of the representatives listed were used in those comparisons.

The 2HMI structure has its RNase H extended to residue 558.