Table 1 Identified peptides from a mass spectrum (Figure 3A) of a whole virus digest of type B influenza strain B/Victoria/504/2000

[M+H] ⁺

Start-End

Δppm

Uniqueness(in ppm)

FluA

FluB

Protein

Type signature

800.41620

354-360

-0.2449

-1.6716

0.0000

0.9962

NA

*

816.43626

69-75

0.2094

12.1210

0.0000

0.7320

HA

*

853.52541

136-142

-0.3046

-55.8003

0.0000

0.9268

HA

*

899.56728

95-102

-0.9505

4.4710

0.0001

0.8696

M1

996.55129

163-170

-0.1806

3.3917

0.0001

0.9504

NP

1020.44149

97-105

0.3116

32.3536

0.0000

1.0000

NP

*

1149.58736

439-447

-0.5106

2.1677

0.0000

1.0000

NP

*

1226.63167

540-549

0.1753

4.7871

0.0000

0.9504

NP

*

1259.71402

320-331

-0.3271

-11.0477

0.0000

0.9587

NP

*

1260.64302

309-319

0.4815

-1.9918

0.0000

0.9660

NA

*

1264.67566

106-116

-0.2001

-0.8042

0.0000

0.9256

NP

*

1280.62696

336-346

-0.4123

2.6393

0.0000

0.9892

HA

*

1359.64355

86-96

-1.3173

8.2625

0.0000

0.9917

NP

*

1418.80019

399-411

0.4130

-6.9756

0.0000

0.9752

NP

*

1441.80092

201-213

-1.2249

7.7910

0.0000

0.9149

M1

*

1465.72094

36-47

-0.2681

-2.7440

0.0000

0.9574

M1

*

1496.70182

175-187

-0.3554

2.1066

0.0001

0.9149

M1

1610.87481

305-319

-1.1441

6.9732

0.0000

0.9917

NP

*