excellent ed maps can be obtained by mad phasing
Post on 13-Jan-2016
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Excellent ed maps can be obtained by MAD phasing.
Electrophoretic mobility
Frictional coefficient
Polyacrylamide gel
Use fresh ammonium persulfate.
SDS-PAGE
Stacking gelResolving gel
Discontinuous buffer system
1. pI (isoelectric focusing)
2 Mr (SD
S-PAGE)
log Mr
SDS-PAGE
MWCO of dialysis tubing
DEAE- CM-
affinity column
Concanavalin A
Gel filtration column: long
Ion exchange column: medium
Affinity column: small
Sedimentation velocity
Centrifugal force
Sedimentation coefficient 1 S=10-13 sec
Mass under nondenaturing conditions
ESI Mass Spectrum
MALDI TOFMatrix Assisted
Laser Desorption Ionization
Time-of-Flight
One cycle of Edman degradation
Mixture of
PTH-aa’s
Performic acid oxidation and cleavage of -S-S-
N-terminal sequencing
Degenerate oligomer primer
cDNA cloning
DNA sequencing
4 Ca2+ binding motifs in calmodulin
Hybridoma cell
ELISA
Western blotting
Imaging plate (IP) is 50-times more sensitive than X-ray film.
Actin filaments
Gold cluster-conjugated antibody
Secondary structure content
Low resolution High
resolution
Spin=1/2
When R < 5 A
R
Chemical shift
X-ray vs NMR
DCC
항이뇨성의
Natural
Synthetic
Merrifield solid-phase peptide synthesis
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