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Table 2 Comparison of the tropism (co-receptor usage), net charges and sequences of the gp120 V3 loops of CRF07_BC and sub-type B' viruses

From: Phenotypic and genotypic characterization of Human Immunodeficiency Virus type 1 CRF07_BC strains circulating in the Xinjiang Province of China

HIV-1

Subtype

Tro-

V3 sequence*

isolate

 

pism

Net charge

11 tip 25

XJDC1353

CRF07_BC

R5

4

CIRP NNNTR K S VRI~~ GPGQ TFYATG D IIG DIRKAYC

XJDC6371

CRF07_BC

R5

4

CTRP NNNTR K S IRI~~ GPGQ TFYATG E IIG NIRQAYC

XJDC0793

CRF07_BC

R5

3

CTRPNNNTR K SIRI~~GPGQ TFYATGEIIG DIRQAHC

XJDC0015

CRF07_BC

R5

3

CTRPNNNTR K SIRI~~GPGQ TFYATGDIIG DIRQAHC

CBJB105

CRF07_BC

R5

3

CTRPNNNTR K SIRI~~GPGQ TFYATGEIIG DIRQAHC

XJDC6431

CRF07_BC

R5

3

CTRP NNNTR K S IRI~~ GPGQ TFYATG E IIG DIRQAYC

XJN0135

CRF07_BC

R5

3

CTRP NNNTR K S IRI~~ GPGQ TFYATG D IIG DIRQAHC

CBJB257

CRF07_BC

R5

3

CTRPNNNTR K SIRI~~GPGQ AFYATGDIIG DIRQAHC

CBJB256

CRF07_BC

R5

3

CTRP NNNTR K S IRI~~ GPGQ TFYATG E VIG DIRQAFC

XJDC6331

CRF07_BC

R5

3

CTRPNNNTR K SIRI~~GPGQ TFYAHGEIIG DIRQAYC

XJDC6291

CRF07_BC

R5

3

CTRPGNNTRK SIRI~~GPGQ TFYATGDIIG DIRQAHC

XJDC1981

CRF07_BC

R5

3

CTRP NNNTR K S IRI~~ GPGQ TFYATG D IIG DIRQAHC

SHXDC148

B'

R5

4

CTRPTTNTRK SIPL~~GPGR AWYATGPIIG DIRQAHC

SHXDC168

B'

R5/X4

4

CTRPNNNTR K SINI~~GPGQ ALYATGQIIG NIRQAHC

SHXDC162

B'

R5/X4

4

CTRPNNNTR K SIP.~~GPGR AWYTTGQIIG DIRQAHC

20100311

B'

R5/X4

5

CTRP NNNTR K R VTL~~ GPGR VWYTTG Q IVG DIRQAHC

20201188

B'

R5/X4

5

CTRPNNNTR N RFSI~~GPGR AWIATRQIIG DIRQAHC

20101324

B'

R5/X4

5

CTRP NNNTR K R VTL~~ GPGR VWYTTG Q IIG DIRKAHC

20101810

B'

R5/X4

4

CTRPNNNTR K SINL~~GPGR AWYTTGQIF. DIRQAHC

20100374

B'

R5/X4

6

CTRP NNNTR K R VTL~~ GPGR VWYTTG Q IIG DVRRAHC

20101796

B'

R5/X4

3

CTRPNNNTIK SISL~~GPGK AWYTTGQIIG DIRQAHC

20100141

B'

R5

4

CTRPNNNTR K SIPI~~GPGR AWYATGQIIG DIRQAHC

20100419

B'

R5

4

CTRP NNNTR K S IHL~~ GPGR AWFATG E IIG NIRQAHC

20200407

B'

R5

5

CTRPNNNTSK GIRI~~GPGR AWYATERIVG DIRQAHC

20200084

B'

R5

3

CIRPNNNTR K SITL~~GPGK AWYTTGEIIG DIRQAHC

20100687

B'

R5

4

CIRP NNNTR K S IHL~~ GPGK AWYTTG Q IIG DIRQAHC

20200068

B'

R5

3

CIRP NNNTR K S IHL~~ GPGQ AWYTTG Q IIG DIRQAHC

20200092

B'

R5

4

CTRP NNNTR K S IPL~~ GPGK AWYTTG Q IIG EIRQAHC

20200259

B'

R5

4

CTRP NNNTR K S IPL~~ GPGK AWYTTG Q IIG DIRQAHC

20200079

B'

R5

4

CTRPNNNTR K GIPL~~GPGR AWYATGQIIG DIRQAHC

20200108

B'

R5

4

CTRPNNNTR K SINL~~GPGR AWYATGQIIG EIRQAHC

20100096

B'

R5

4

CTRP NNNTR K S IHL~~ GPGR AWYTTG Q IIG DIRQAHC

  1. *The residues at the positions 11 and 25 in V3 loop were marked in bold, and those at the V3 tip were labeled with underline. The NNNTR motif was highlighted in Italic.