Ontology highlight
ABSTRACT:
INSTRUMENT(S): Orbitrap Eclipse
ORGANISM(S): Homo Sapiens (human)
SUBMITTER: Seandean Harwood
LAB HEAD: Jan J. Enghild
PROVIDER: PXD019082 | Pride | 2021-02-18
REPOSITORIES: Pride
Action | DRS | |||
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20200113_A2M_Q975C_TCEP_pepsin_1.raw | Raw | |||
20200113_A2M_Q975C_pepsin_1.raw | Raw | |||
20200113_C3_Q1013C_TCEP_pepsin_2.raw | Raw | |||
20200113_C3_Q1013C_pepsin_2.raw | Raw | |||
Rawdataonly.txt | Txt |
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Biochemistry 20201210 51
Most proteins in the α-macroglobulin (αM) superfamily contain reactive thiol esters that are required for their biological function. Here, we have characterized the human α2-macroglobulin (A2M) and complement component C3 mutants A2M Q975C and C3 Q1013C, which replace the CGEQ thiol ester motifs of the original proteins with the disulfide-forming sequence CGEC. Mass spectrometry showed that the intended disulfide was formed in both proteins. The correct folding and native conformation of A2M Q97 ...[more]