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Table 3 List of the differentially expressed protein spots in 2DE of HIV-positive and healthy donors identified by ESI-MS or both ESI-MS and MALDI-TOF/TOF.

From: Proteomic analysis of PBMCs: characterization of potential HIV-associated proteins

spota

Accession NO.b

Protein description

MWc

pI

Scored

Cov.e

Abundance HIV/NOR

Functionf

Locationg

1

KPYM_HUMAN

Pyruvate kinase isozymes M1/M2 - Homo sapiens (Human)

58470

7.96

173

15%

↑

enzyme

Cytosol

2

TLN1_HUMAN

Talin-1 - Homo sapiens (Human)

271766

5.77

44

2%

↑

cell-cell junction

Cell membrane;

Cell projection;

Cytoplasm;

Cytoskeleton;

Membrane.

3

LDHB_HUMAN

L-lactate dehydrogenase B chain - Homo sapiens (Human)

36900

5.71

316

30%

↑

enzyme

Cytoplasm.

4, 14, 15

CAP1_HUMAN

Adenylyl cyclase-associated protein 1 - Homo sapiens (Human)

52222

8.27

129

16%

↑

actin binding

Cell membrane;

PM

5, 13, 16, 19

ENOA_HUMAN

Alpha-enolase - Homo sapiens (Human)

47481

7.01

217

34%

↑

Enzyme

Cell membrane;

Cytoplasm;

Membrane;

Nucleus.

6

EHD3_HUMAN

EH domain-containing protein 3 - Homo sapiens (Human)

61971

6.06

285

36%

↑

Binding/transport

Cell membrane;

Endosome.

Membrane

7

COR1C_HUMAN

Coronin-1C - Homo sapiens (Human)

53899

6.65

253

18%

↑

Actin-binding/transport

actin cytoskeleton

8

ST1A3_HUMAN

Sulfotransferase 1A3/1A4 - Homo sapiens (Human)

34288

5.68

85

23%

↑

Actin-binding/transport

Cytoplasm

9

FLNA_HUMAN

Filamin-A - Homo sapiens (Human)

283301

5.7

172

9%

↑

Actin-binding

Cytoplasm;

Cytoskeleton;

plasma membrane.

10

VINC_HUMAN

Vinculin - Homo sapiens (Human)

124292

5.5

755

26%

↑

actin binding

Cytoplasm; cytoskeleton;

Cell junction; adherens junction;

Cell membrane; Peripheral membrane protein;

11

IGKC_HUMAN

Ig kappa chain C region - Homo sapiens (Human)

11773

5.58

101

80%

↑

immuno

extracellular region

12

GNB1_HUMAN

Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 - Homo sapiens (Human)

38151

5.6

69

31%

↓

transducer

 

17, 18, 20

ACTB_HUMAN

Actin, cytoplasmic 1

42052

5.29

119

29%

↑

ATP binding

Cytoplasm; cytoskeleton.

  1. aSpot no. is the unique number which refers to the labels in Figure 1. Protein spots identified by ESI and MALDI were highlighted by bold and italic.
  2. bAccession no. is the MASCOT results of ESI-Ion trap searched from the SWISS-PROT database.
  3. c Molecular weight predicted from database.
  4. d Mascot score was selected identified by HCT.
  5. e Sequence coverage (%) means the number of amino acids spanned by the assigned peptides divided by the sequence length.
  6. fProtein function from SWISS-PROT database
  7. g Protein location from SWISS-PROT database