True about MHC-
Robbins basic pathology 9th edition page no 102 Mainly major histocompatibility complex molecule(MHC) are mainly divided into two MHC1 and MHC2. But several other protiens are encoded in the MHC locus, and some of whicha are called as MHC3 molecules. These include the complement components(C2, C3andbf) and the ctokine tumour necrosing factor and lymphotoxin.
Present on chromosome
Class II comprises A, B, C loci
Class III has complement
Class I is involved in mixed leucocyte reaction
General pathology