Table II. Azaspiracid-up-regulated proteins from Pool B separated by denaturing SDS-PAGE.
Assignment | Mascot score/number of unique peptides above homology threshold | Peptide sequence identified above homology cutoff and precursor ion mass and charge state, for single peptide identifications | Ion scorea or E value | Homology to protein | Method of identification |
---|---|---|---|---|---|
Band nr1 | |||||
Cathepsin D | 68/1 | K.EGGELILGGSDPK.H | 68a | gi 46309251 (T. pacificus)b | Nano-LC-ESI-MS/MS |
636.32, 2+ | |||||
60/2 | K.ISVDGVTPVFFYNMVK.Q | 60a | gi 66560290 (A. mellifera)b | ||
834.92, 2+ | |||||
K.ISVDGVTPVFFYNMVK.Q | 40a | ||||
Oxid, 842.93, 2+ | |||||
p53 family proteins (DeltaN p63/p73-like protein, p63/p73 like protein, p53 tumor suppressor like-protein) | KKMLLVDER | 6.7c | gb AAZ05996.1d | MALDI-TOF/TOF de novo | |
novo | |||||
FKGLLDFTDNTPR | 7.3c | gb AAZ05995.1d | ESI-MS/MS de novo | ||
QVSDSATSTAVVEGR | 9.7c | gb AAT72301.1 (blue mussel M. edulis)d | |||
Band nr2 | |||||
SOD | 71/1 | K.LSLTGPGSIIGR.T | 43a | gi 34481600 (blue mussel M. edulis)b | Nano-LC-ESI-MS/MS |
621.37, 2+ | |||||
Band r3 | |||||
Glutathione S-transferase Pi | LALLTDWPTDLEATR | 13c | gb AAS60226.1 (blue mussel M. edulis)d | ESI-MS/MS de novo | |
Multidrug resistance-associated protein | NLVELYNDDVDGK | 0.41c | gb AAK84397.1d | ESI-MS/MS de novo | |
YQWEGGDTRQK | 18c | gb AAK84398 (blue mussel M. edulis)d | |||
Band r4 | |||||
Flagellar P-ring protein precursor | AALMVTADLPPYTPPG | 68% identity | A. tumefaciens, Swiss-Prot Q44340 FLGI_AGRT5e | Nano-LC-ESI-MS/MS | |
CVTADLPPYPAPGK | 40c | M. populi, Ref YP_001923314.1d | ESI-MS/MS de novo | ||
CVTADLPPYPA | 45c | ||||
Lysozyme | TLLNDYSAGK | 5.5c | gb AAN16207.1 (blue mussel M. edulis)d | ESI-MS/MS de novo | |
YGSFWDGHQVK | 13c |
a Ion score. Score greater than 51 indicates identity, and score greater than 30 indicates homology.
b NCBInr database.
c E value.
d BLAST.
e MSBLAST EMBL database.