LSLHRPALEDLLLGSEANLTCTLTGLR (27aa)

Taxonomy

• Homo sapiens (Human)

Protein

• Immunoglobulin alpha (non secretory) / Homo sapiens    P01877    P01876
• Immunoglobulin heavy constant alpha 1 / Homo sapiens    P01876
• Immunoglobulin heavy constant alpha 2 / Homo sapiens    P01877

Source

• Blood Serum (UBERON_0001977)  
• Colostrum (UBERON_0001914)  
• Mammary Gland (UBERON_0001911)  

Reported structure

• N-Linked / Complex / Structure 10152
• N-Linked / Complex / Structure 2104
• N-Linked / High-Mannose / Man(a1-3)[Man(a1-6)]Man(b1-4)GlcNAc(b1-4)GlcNAc+"+ 2 x Man"
• N-Linked / High-Mannose / Man(a1-3)[Man(a1-6)]Man(a1-6)[Man(a1-2)Man(a1-3)]Man(b1-4)GlcNAc(b1-4)GlcNAc
• N-Linked / High-Mannose / Structure 314
• N-Linked / Undefined core / Hex(??-?)HexNAc(??-?)Hex(??-?)[HexNAc(??-?)Hex(??-?)]Hex(??-?)HexNAc(??-?)HexNAc
• N-Linked / Undefined core / NeuAc(??-?)Hex(??-?)HexNAc(??-?)Hex(??-?)[Hex(??-?)HexNAc(??-?)Hex(??-?)]Hex(??-?)HexNAc(??-?)HexNAc

Composition

• Hex:3 HexNAc:2 (avg mass : 910.8325 )
• Hex:3 HexNAc:3 (avg mass : 1114.0275 )
• Hex:3 HexNAc:4 (avg mass : 1317.2225 )
• Hex:3 HexNAc:5 (avg mass : 1520.4175 )
• Hex:3 HexNAc:6 dHex:3 (avg mass : 2162.0415 )
• Hex:4 HexNAc:3 NeuAc:1 (avg mass : 1567.4278 )
• Hex:4 HexNAc:4 (avg mass : 1479.3649 )
• Hex:4 HexNAc:4 NeuAc:1 (avg mass : 1770.6228 )
• Hex:4 HexNAc:5 (avg mass : 1682.5599 )
• Hex:4 HexNAc:5 NeuAc:1 (avg mass : 1973.8178 )
• Hex:5 HexNAc:2 (avg mass : 1235.1173 )
• Hex:5 HexNAc:3 (avg mass : 1438.3123 )
• Hex:5 HexNAc:3 NeuAc:1 (avg mass : 1729.5702 )
• Hex:5 HexNAc:4 (avg mass : 1641.5073 )
• Hex:5 HexNAc:4 NeuAc:1 (avg mass : 1932.7652 )
• Hex:5 HexNAc:4 NeuAc:2 (avg mass : 2224.0231 )
• Hex:5 HexNAc:4 dHex:1 NeuAc:1 (avg mass : 2078.9082 )
• Hex:5 HexNAc:5 (avg mass : 1844.7023 )
• Hex:5 HexNAc:5 NeuAc:1 (avg mass : 2135.9602 )
• Hex:5 HexNAc:5 NeuAc:2 (avg mass : 2427.2181 )
• Hex:5 HexNAc:5 dHex:1 NeuAc:1 (avg mass : 2282.1032 )
• Hex:6 HexNAc:2 (avg mass : 1397.2597 )
• Hex:6 HexNAc:3 NeuAc:1 (avg mass : 1891.7126 )
• Hex:6 HexNAc:4 dHex:1 (avg mass : 1949.7927 )
• Hex:6 HexNAc:5 dHex:1 (avg mass : 2152.9877 )
• Hex:7 HexNAc:2 (avg mass : 1559.4021 )
• Hex:7 HexNAc:3 dHex:1 (avg mass : 1908.7401 )
• Hex:8 HexNAc:2 (avg mass : 1721.5445 )
• Hex:9 HexNAc:2 (avg mass : 1883.6869 )

Disease

• Cancer, breast (DOID:1612)
• Oral squamous cell carcinoma (DOID:0050866)

Reference

• Community evaluation of glycoproteomics informatics solutions reveals high-performance search strategies for serum glycopeptide analysis (2021 - Rebeca Kawahara, Anastasia Chernykh, Kathirvel Alagesan, Marshall Bern, 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, Mingqi Liu, Yehia Mechref, Bo Meng, 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 E. Scott, Georgy Sofronov, Johannes Stadlmann, Sergey Y. Vakhrushev, Christina M. Woo, Hung-Yi Wu, Pengyuan Yang, Wantao Ying, Hui Zhang, Yong Zhang, Jingfu Zhao, Joseph Zaia, Stuart M. Haslam, Giuseppe Palmisano, Jong Shin Yoo, Göran Larson, Kai-Hooi Khoo, Katalin F. Medzihradszky, Daniel Kolarich, Nicolle H. Packer, Morten Thaysen-Andersen) / 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
• Tongue Cancer Patients Can be Distinguished from Healthy Controls by Specific N-Glycopeptides Found in Serum. (2018 - Mayank Saraswat, Antti Mäkitie, Tiialotta Tohmola, Amy Dickinson, Shruti Saraswat, Sakari Joenväärä, Suvi Renkonen) / Status : Reviewed
• 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
• GlycoSpectrumScan: Fishing Glycopeptides from MS Spectra of Protease Digests of Human Colostrum sIgA (2010 - Nandan Deshpande, Pia H. Jensen, Nicolle H. Packer, Daniel Kolarich) / Status : Reviewed

Reported glycosite

• Immunoglobulin alpha (non secretory) / Homo sapiens
  •        Asn-144
• Immunoglobulin heavy constant alpha 1 / Homo sapiens
  •        Asn-144
• Immunoglobulin heavy constant alpha 2 / Homo sapiens
  •        Asn-131

Mass spectrometry observed peptide

• LSLHRPALEDLLLGSEANLTCTLTGLR (27aa)
  •    P01877    Asn-131     Immunoglobulin heavy constant alpha 2 / Homo sapiens
  •    P01876    Asn-144     Immunoglobulin heavy constant alpha 1 / Homo sapiens
  •    P01876    Asn-144     Immunoglobulin alpha (non secretory) / Homo sapiens
  •    P01877    Asn-144     Immunoglobulin alpha (non secretory) / Homo sapiens