Relative Movements of Domains in Large Molecules of the Immune System

Table 1

Molecules and their secondary structural elements.

(a)

Chain	Type	Length in	index
Chain A	MHC	276	1–276
Chain B	-microglobulin	99	277–375
Chain C	Peptide	9	376–384
Chain D	TCR, -chain	201	385–585
Chain E	TCR, -chain	241	586–826
Chain F	CD8	114	827–940
Chain G	CD8	114	941–1054

(b)

Secondary structures	Chain	Length in	index
-helix G	A	25	59–83
-helix G	A	31	141–170
-domain	A	92	184–275
-sheet	A	52	2–13, 21–29, 30–37, 93–103, 110–118, 124–127
TCR	D	104	385–488
TCR	E	117	586–702

Structural elements are given in terms of consecutive numbers of atoms, renumbered throughout the whole modelled TCR/pMHC/CD8 complex, as if the complex as a whole was taken from one single PDB file.
Molecule 1 (TCR/pMHC): Chain A–Chain E. Molecule 2 (TCR/pMHC/CD8): Chain A–Chain G.