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Table 3 N-glycosylated peptides identified from lectin affinity enriched proteins of HCC tissue

From: 18O Labeling for a Quantitative Proteomic Analysis of Glycoproteins in Hepatocellular Carcinoma

RefSeq accession number

Protein name

Expect value

Mascot score

Peptide sequence

Known?

Consensus motif

NP_000005.2

Alpha-2-macroglobulin

1.0E−01

42

SLGNV*NFTVSAEALESQELCGTEVPSVPEHGRK

YES

NFT

2.1E−03

57

VS*NQTLSLFFTVLQDVPVR

YES

NQT

NP_000375

Apolipoprotein B

8.3E−05

62

F*NSSYLQGTNQITGR

YES

NSS

NP_001638.1

Apolipoprotein D

7.2E−02

42

ADGTVNQIEGEATPV*NLTEPAKLEVK

YES

NLT

P00450

Ceruloplasmin

3.4E−06

85

E*NLTAPGSDSAVFFEQGTTR

YES

NLT

NP_001822.2

Clusterin isoform 1

2.1E−05

76

LA*NLTQGEDQYYLR

YES

NLT

NP_009224.2

Complement component 4A

1.3E−02

47

GL*NVTLSSTGR

NO

NVT

NP_001747.2

Corticosteroid binding globulin

3.4E−04

54

AQLLQGLGF*NLTER

YES

NLT

NP_005132.2

Fibrinogen, beta chain

9.5E−05

59

GTAGNALMDGASQLMGE*NR(T)

NO

NRT

NP_000500.2

Fibrinogen, gamma chain isoform gamma-A

1.5E−06

78

DLQSLEDILHQVE*NK(T)

YES

NKT

NP_006673.1

Fibrinogen-like 2

9.9E−02

38

LDGST*NFTR

NO

NFT

7.1E−05

62

LHVGNY*NGTAGDALR

NO

NGT

NP_997640.1

Fibronectin 1 isoform 2

4.3E−02

44

DQCIVDDITYNV*NDTFHK

YES

NDT

NP_997640

Fibronectin 1 isoform 2

8.9E−07

82

LDAPTNLQFV*NETDSTVLVR

NO

NET

NP_009201

FK506 binding protein 9

1.1E−03

51

YHYNASLLDGTLLDSTWNLGK

NO

NAS

NP_005657.1

H factor (complement)-like 3

6.5E−05

61

LQNNEN*NISCVER

NO

NIS

NP_005134

Haptoglobin

1.5E−05

78

MVSHH*NLTTGATLINEQWLLTTAK

YES

NLT

3.5E−07

85

NLFL*NHSENATAK

YES

NHS

2.9E−06

71

VVLHP*NYSQVDIGLIK

YES

NYS

NP_000604

Hemopexin

2.1E−05

76

ALPQPQ*NVTSLLGCTH

YES

NVT

3.5E−08

94

SWPAVG*NCSSALR

YES

NCS

NP_000403.1

Histidine-rich glycoprotein

5.6E−03

52

VIDF*NCTTSSVSSALANTK

YES

NCT

NP_002207

Inter-alpha globulin inhibitor H2

2.3E−02

37

GAFISNFSMTVDGK

YES

NFS

NP_000884

Kininogen 1 isoform 2

5.4E−06

73

ITYSIVQTNCSK

NO

NCS

NP_071751

Leucine proline-enriched proteoglycan 1

2.7E−03

47

VPLQSAHLYYNVTEK

NO

NVT

NP_006491

Melanoma cell adhesion molecule

7.2E−03

42

CVASVPSIPGLNR(T)

NO

NRT

NP_002395

Microfibrillar-associated protein 4

2.3E−04

57

FNGSVSFFR

NO

NGS

1.1E−04

69

VDLEDFE*NNTAYAK

NO

NNT

NP_006380.1

Oxygen regulated protein

3.2E−09

104

LSALDNLL*NHSSMFLK

YES

NHS

CAJ15161

Alpha-antitrypsin

4.0E−08

102

YLG*NATAIFFLPDEGK

YES

NAT

NP_000479.1

Serine (or cysteine) proteinase inhibitor, clade C

8.1E−06

70

LGAC*NDTLQQLMEVFK

YES

NDT

NP_001076.2

serpin peptidase inhibitor, clade A

2.3E−04

65

F*NLTETSEAEIHQSFQHLLR

NO

NLT

NP_001031.2

Sex hormone-binding globulin

9.5E−03

41

LDVDQAL*NR(S)

NO

NRS

NP_001054

Transferrin

7.4E−06

72

CGLVPVLAENY*NK(S)

YES

NKS

3.0E−02

46

QQQHLFGS*NVTDCSGNFCLFR

YES

NVT

  1. Accession number and protein names were from NCBI RefSeq database, and mascot score and expect values were listed for N-glycosylated peptides. Human protein reference database (www.hprd.org) was used for the identification of previously reported N-glycosylation sites. An asterisk in *N-X-T/S implies 18O labeling of Asn after PNGase F mediated cleavage of glycan.