EEQFNSTFR (9aa)

Taxonomy

• Homo sapiens (Human)

Protein

• Immunoglobulin heavy constant gamma 2 / Homo sapiens    P01859
• Immunoglobulin heavy constant gamma 3 / Homo sapiens    P01860

Source

• Blood Plasma (UBERON_0001969)  
• Blood Serum (UBERON_0001977)  
• Mammary Gland (UBERON_0001911)  
• Urine (UBERON_0001088)  

Reported structure

• N-Linked / Complex / GlcNAc(?1-?)Man(a1-3)[GlcNAc(?1-?)Man(a1-6)]Man(b1-4)GlcNAc(b1-4)GlcNAc
• N-Linked / Complex / Structure 2643
• N-Linked / Complex / Structure 2011
• N-Linked / Complex / Structure 2719
• N-Linked / Complex / Gal(?1-?)GlcNAc(?1-?)Man(a1-3)[Gal(?1-?)GlcNAc(?1-?)Man(a1-6)]Man(b1-4)GlcNAc(b1-4)GlcNAc
• N-Linked / Complex / Structure 2888
• N-Linked / Complex / Structure 2104
• N-Linked / Complex / Gal(?1-?)GlcNAc(?1-?)Man(a1-3)[Gal(?1-?)GlcNAc(?1-?)Man(a1-6)]Man(b1-4)GlcNAc(b1-4)[Fuc(a1-6)]GlcNAc
• N-Linked / Complex / Structure 10049
• N-Linked / Complex / Structure 908
• N-Linked / Complex / Structure 3446
• N-Linked / Complex / Structure 1523

Composition

• Hex:3 HexNAc:3 dHex:1 (avg mass : 1260.1705 )
• Hex:3 HexNAc:4 (avg mass : 1317.2225 )
• Hex:3 HexNAc:4 dHex:1 (avg mass : 1463.3655 )
• Hex:3 HexNAc:5 dHex:1 (avg mass : 1666.5605 )
• Hex:4 HexNAc:3 dHex:1 NeuAc:1 (avg mass : 1713.5708 )
• Hex:4 HexNAc:4 (avg mass : 1479.3649 )
• Hex:4 HexNAc:4 dHex:1 (avg mass : 1625.5079 )
• Hex:4 HexNAc:4 dHex:1 NeuAc:1 (avg mass : 1916.7658 )
• Hex:4 HexNAc:4 dHex:2 (avg mass : 1771.6509 )
• Hex:4 HexNAc:5 (avg mass : 1682.5599 )
• Hex:4 HexNAc:5 dHex:1 (avg mass : 1828.7029 )
• Hex:5 HexNAc:3 dHex:1 NeuAc:1 (avg mass : 1875.7132 )
• Hex:5 HexNAc:4 (avg mass : 1641.5073 )
• Hex:5 HexNAc:4 NeuAc:1 (avg mass : 1932.7652 )
• Hex:5 HexNAc:4 dHex:1 (avg mass : 1787.6503 )
• Hex:5 HexNAc:4 dHex:1 NeuAc:1 (avg mass : 2078.9082 )
• Hex:5 HexNAc:4 dHex:1 NeuAc:2 (avg mass : 2370.1661 )
• Hex:5 HexNAc:5 dHex:1 (avg mass : 1990.8453 )
• Hex:5 HexNAc:5 dHex:1 NeuAc:1 (avg mass : 2282.1032 )
• Hex:5 HexNAc:5 dHex:1 NeuAc:2 (avg mass : 2573.3611 )
• Hex:6 HexNAc:3 NeuAc:1 (avg mass : 1891.7126 )
• Hex:6 HexNAc:4 (avg mass : 1803.6497 )
• Hex:7 HexNAc:3 dHex:1 NeuAc:1 (avg mass : 2199.998 )
• Hex:8 HexNAc:2 (avg mass : 1721.5445 )
• Hex:9 HexNAc:2 (avg mass : 1883.6869 )

Disease

• Asymptomatic myositis (DOID:633)
• Cancer, breast (DOID:1612)
• Control/Healthy
• Myositis (DOID:633)
• Prostate cancer (DOID:10283)

Reference

• Community Evaluation of Glycoproteomics Informatics Solutions Reveals High-Performance Search Strategies for Glycopeptide Analysis (2021 - Rebeca Kawahara, Kathirvel Alagesan, Marshall Bern, Meng Bo, Weiqian Cao, Robert J Chalkley, Kai Cheng, Matthew S. Choo, Nathan Edwards, Radoslav Goldman, Marcus Hoffmann, Yingwei Hu, Yifan Huang, Jin Young Kim, Doron Kletter, Benoit Liquet-Weiland, Mingqi Liu, Yehia Mechref, Sriram Neelamegham, Terry Nguyen-Khuong, Jonas Nilsson, Adam Pap, Gun Wook Park, Benjamin L. Parker, Cassandra L. Pegg, Josef M. Penninger, Toan K. Phung, Markus Pioch, Erdmann Rapp, Enes Sakalli, Miloslav Sanda, Benjamin L. Schulz, Nichollas Scott, Georgy Sofronov, Johannes Stadlmann, Sergey Vakhrushev, Christina Woo, Hung-Yi Wu, Pengyuan Yang, Wantao Ying, Zhang Yong, Hui Zhang, Jingfu Zhao, Joseph Zaia, Stuart M. Haslam, Giuseppe Palmisano, Jong Shin Yoo, Goran Larson, Kai-Hooi Khoo, Katalin F. Medzihradszky, Daniel Kolarich, Nicolle H. Packer, and Morten Thaysen-Andersen) / Status : Reviewed
• A novel, ultrasensitive approach for quantitative carbohydrate composition and linkage analysis using LC-ESI ion trap tandem mass spectrometry (2019 - Kathirvel Alagesan, Daniel Varon Silva, Peter H Seeberger, Daniel Kolarich) / Status : Reviewed
• Site-Specific Profiling of Serum Glycoproteins Using N-Linked Glycan and Glycosite Analysis Revealing Atypical N-Glycosylation Sites on Albumin and α-1B-Glycoprotein (2018 - Shisheng Sun, Yingwei Hu, Li Jia, Shadi Toghi Eshghi, Yang Liu, Punit Shah, Hui Zhang) / Status : Unreviewed
• Reanalysis of global proteomic and phosphoproteomic data identified a large number of glycopeptides (2018 - Yingwei Hu, Punit Shah, David J. Clark, Minghui Ao, Hui Zhang) / Status : Unreviewed
• Distinct urinary glycoprotein signatures in prostate cancer patients (2018 - Rebeca Kawahara, Fabio Ortega, Livia Rosa-Fernandes, Vanessa Guimarães, Daniel Quina, Willian Nahas, Veit Schwämmle, Miguel Srougi, Katia R.M. Leite, Morten Thaysen-Andersen, Martin R. Larsen and Giuseppe Palmisano) / Status : Unreviewed
• Absolute Quantitation of Immunoglobulin G and Its Glycoforms Using Multiple Reaction Monitoring (2013 - Qiuting Hong, Carlito B. Lebrilla, Suzanne Miyamoto, L. Renee Ruhaak) / Status : Reviewed
• Mass Spectrometric Determination of IgG Subclass-Specific Glycosylation Profiles in Siblings Discordant for Myositis Syndromes (2011 - Irina Perdivara, Shyamal D. Peddada, Frederick W. Miller, Kenneth B. Tomer, Leesa J. Deterding) / Status : Reviewed

Reported glycosite

• Immunoglobulin heavy constant gamma 2 / Homo sapiens
  •        Asn-227
  •        Asn-176
• Immunoglobulin heavy constant gamma 3 / Homo sapiens
  •        Asn-227

Mass spectrometry observed peptide

• EEQFNSTFR (9aa)
  •    VAR_003892   226:Y→F
  •    P01859    Asn-176     Immunoglobulin heavy constant gamma 2 / Homo sapiens
  •    VAR_003892   226:Y→F
  •    P01859    Asn-227     Immunoglobulin heavy constant gamma 2 / Homo sapiens
  •    VAR_003892   226:Y→F
  •    VAR_003892   226:Y→F
  •    P01860    Asn-227     Immunoglobulin heavy constant gamma 3 / Homo sapiens
  •    VAR_003892   226:Y→F
  •    VAR_003892   226:Y→F