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Table 1 Suggested abbreviations for cysteine modifications.

From: A Systematic Nomenclature for the Redox States of High Mobility Group Box (HMGB) Proteins

Abbreviation of modification

Modification

Description

C23h

R-SH

Thiol

C23–C45

R-S-S-R

Disulfide bond with cysteine 45

C23so

R-SO3

Sulfonate modification

C23nem

R-S-NEM

Adduct after reaction with NEM

C23iodo

R-S-carboxy-amidomethyl

Adduct after reaction with iodoacetamide

  1. The modification of cysteine 23 in HMGB1 is given as an example.