COMPND    MOL_ID: 12;
COMPND   2 MOLECULE: Tubulin beta;
COMPND   3 CHAIN: 1a, 1c, 1e, 1g, 2a, 2c, 2e, 2g, 3a, 3c, 3e, 3g, 4a, 4c, 4e, 4g, 5a, 5c, 5e, 5g, 6a, 6c, 6e, 6g, 7a, 7c, 7e, 7g, 8a, 8c, 8e, 8g, 9a, 9c, 9e, 9g, Aa, Ac, Ae, Ag, Ba, Bc, Be, Bg, Ca, Cc, Ce, Cg, Da, Dc, De, Dg;
COMPND   4 MOL_ID: 13;
COMPND   5 Tubulin alpha;
COMPND   6 CHAIN: 1b, 1d, 1f, 1h, 2b, 2d, 2f, 2h, 3b, 3d, 3f, 3h, 4b, 4d, 4f, 4h, 5b, 5d, 5f, 5h, 6b, 6d, 6f, 6h, 7b, 7d, 7f, 7h, 8b, 8d, 8f, 8h, 9b, 9d, 9f, 9h, Ab, Ad, Af, Ah, Bb, Bd, Bf, Bh, Cb, Cd, Cf, Ch, Db, Dd, Df, Dh;