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Table 5 rdIMRs in gag ranked by length

From: Imperfect DNA mirror repeats in the gag gene of HIV-1 (HXB2) identify key functional domains and coincide with protein structural elements in each of the mature proteins

Beg

 

end

rd-IMRs

nt

prot

AA

structure or function

1215

ca .. ac

1261

$1-gag

47

NC

R406..H421

primer annealing; Cys-His box

767

tc .. ct

803

$2-gag

37

CA

I256..L268

N-terminal CA-H7 helix

73

gg .. gg

108

$3-gag

36

MA

G025..W036

nuclear localization signal 1(NLS1)

1245

at .. ta

1279

$4-gag

35

NC

C416..T427

Zn finger motifs. 2cd cys-his box

267

tc .. ct

300

$5-gag

34

MA

Q090..A100

I92..V95 affect struct orientation of MA-H5

168

ct .. tc

200

$6-gag

33

MA

C057..S067

MA H3 helix, C57S prevents particle fmtn

68

ca .. ac

97

$7-gag

30

MA

P023..H033

basic residues target, bind Gag to PM

1379

aa .. aa

1408

$8-gag

30

p6

E460..T470

possible association with ubiquitin

184

gg .. gg

212

$9-gag

29

MA

G062..G071

C-terminal MA-H3 helix

198

at .. ta

226

$10-gag

29

MA

P066..R076

essential to structural transformation

246

ag .. ga

274

$11-gag

29

MA

A083..I092

mutations retarget assembly

232

tt .. tt

259

$12-gag

28

MA

L078..C087

MA-H4 central to 3D structure

1091

ct .. tc

1118

$13-gag

28

-

A364..S373

cleavage site, most of p2

618

tg .. gt

644

$14-gag

27

CA

E207..V215

C-terminal CA-H4 helix, CypA interaction

1074

ta .. at

1100

$15-gag

27

-

K359..M367

cleavage CA-p2

490

tt .. tt

515

$16-gag

26

CA

F164..F172

folds against MHR

1108

ag .. ga

1131

$17-gag

24

-

V370..M378

cleavage site p2-p7, phosphorylation

385

ag .. ga

409

$18-gag

25

-

S129..N137

spans cleavage site MA-CA

894

cc .. cc

918

$19-gag

25

CA

R299..A306

end MHR

964

tt .. tt

988

$20-gag

25

CA

L322..C330

interacts with LysRS

1027

ct .. tc

1051

$21-gag

25

CA

L343..Q351

interacts with LysRS

650

ca .. ac

673

$22-gag

24

CA

P217..P225

CypA interaction; surface of virion core

1043

ca .. ac

1066

$23-gag

24

CA

T348..P356

interacts with LysRS

590

cc .. cc

612

$24-gag

23

CA

A197..T204

N-terminal CA-H4 helix

931

ca .. ac

953

$25-gag

23

CA

Q311..T318

N-terminal CA-H9 helix, LysRS interaction

1275

tt .. tt

1297

$26-gag

23

NC

C426..F433

cleavage site p7-p1

12

ag .. ga

33

$27-gag

22

MA

A005..G011

links myristoylation and calmodulin-binding

712

gg .. gg

733

$28-gag

22

CA

G238..E245

links CA-H5 and -H6 helices

1109

ta .. at

1130

$1-p2

22

 

V370..M377

cleavage site p2-p7, phosphorylation

1

at .. ta

21

$1-MA

21

 

M001..V007

minimum signal required for myristoylation

135

ag .. ga

155

$2-MA

21

 

V046..S052

tether btwn MA at viral membrane and CA

150

gt .. tg

170

$3-MA

21

 

L051..C057

L50A-L51A prevents particle formation

109

gc .. cg

128

$4-MA

20

 

A037..R043

binds HIV to plasma membrane, calmodulin

327

ca .. ac

346

$5-MA

20

 

K110..Q116

nuclear localization signal 2

45

at .. ta

63

$6-MA

19

 

W016..L021

mutations retarget particle fmtn to Golgi

166

gg .. gg

184

$7-MA

19

 

G056..G062

G56E, C57D, C57S, I60E elim replication

95

aa .. aa

112

$8-MA

18

 

K032..S038

binds HIV to plasma membrane, calmodulin

139

aa .. aa

156

$9-MA

18

 

N047..E052

?

320

ag .. ga

337

$10-MA

18

 

E107..K113

nuclear localization signal 2

22

tt .. tt

38

$11-MA

17

 

L008..L013

?

367

gg .. gg

382

$12-MA

16

 

G123..V128

start labile structure near cleavage site

565

aa .. aa

585

$1-CA

21

 

N189..Q195

connects CA-H3 and CA-H4 helices

647

at .. ta

667

$2-CA

21

 

H216..I223

CypA interaction; surface of virion core

676

gg .. gg

696

$3-CA

21

 

G226..R232

CypA interaction; surface of virion core

947

gg .. gg

967

$4-CA

21

 

W316..V323

CA H9 helix, endocytosis signal

1039

at .. ta

1059

$5-CA

21

 

M347..V353

interacts with LysRS

832

ag ga

851

$6-CA

20

 

S278..D284

necessary for formation of dimer interface

910

ct .. tc

929

$7-CA

20

 

L304..S310

spans CA-H8-H9 helices

927

tt .. tt

946

$8-CA

20

 

S310..W316

N-terminal, LysRS interaction site

1306

aa .. aa

1325

$1-p1

20

 

K436..K442

start is slip site, p1 protein

1319

cc .. cc

1334

$2-p1

16

 

S440..P445

middle, p1 protein

  1. The rank of each rdIMR within the entire gag gene was determined first, then rank within each mature protein. Multiple rdIMRs of the same length were ordered by sequence position.