CRYSTAL STRUCTURE OF STREPTAVIDIN WITH PEPTIDE AFPDYLAEYHGG

Stepwise Evolution Improves Identification of Diverse Peptides Binding to a Protein Target.

MRKIVVAAIAVSLTTVSITASASADPSKDSKAQVSAAEAGITGTWYNQLGSTFIVTAGADGALTGTYESAVGNAESRYVL
TGRYDSAPATDGSGTALGWTVAWKNNYRNAHSATTWSGQYVGGAEARINTQWLLTSGTTEANAWKSTLVGHDTFTKVKPS
AASIDAAKKAGVNNGNPLDAVQQ

0.1M Magnesium chloride
0.1M Sodium citrate pH 5
15% PEG4000

HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS

STREPTAVIDIN, HPQ MOTIF, STREPTAVIDIN PEPTIDE COMPLEX, BIOTIN BINDING PROTEIN