The homework 3
1.
The informations of prion is as below:
(A) (1). the ID number of priron in PDB is 1AG2
(2). the NMR structure of priron in mouse is disolved by M.Billeter, R.Riek, G.Wider, K.Wuthrich, S.Hornemann and R.Glockshuber
(3). the number of residues in one monomer is 111 amino acids
(4). there is a disulfide bond in a monomer at Cys(179)-Cys(214)
(B) The structure of Prion

2.
(a)An animation of arc and operator co-crystal structure

(b). the DNA sequence of the Arc operator :
5'--AATGATAGAAGCACTCTACTAT--3'
3'-TACTATCTTCGTGAGATGATAT-5'
(C).
the probably hydrogen bonds are described as below:
A18E.O2--Gln9C.NE====5.916A
G8F.O6--Arg13C.NH====2.799A
C16E.N4--Asn11C.0O===3.463A
A7F.O2--Gln9D.NE=====4.642A
T17E.NE--Asn11D.ND===3.201A
G4F.O6--Arg13D.NH====2.66A and 2.89A