MASCOT Search Results

Search metadata
User : Jennifer
E-mail : [email protected]
Search title : Andy2
MS data file : PRT1311_JBEI_2.mgf
Database : Ecoli-MetEng 20200720 (4,900 sequences; 1,661,431 residues)
Timestamp : 8 Sep 2025 at 17:18:13 GMT
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Search parameters
Type of search : MS/MS Ion Search
Enzyme : GluC_Trypsin
Fixed modifications : Carbamidomethyl (C)
Variable modifications : Deamidated (NQ), Oxidation (M)
Mass values : Monoisotopic
Protein mass : Unrestricted
Peptide mass tolerance : ± 20 ppm
Fragment mass tolerance : ± 0.1 Da
Max missed cleavages : 1
Instrument type : ESI-FTICR
Number of queries : 4,460

Score distribution

Peptide score distribution

Peptide score distribution. Ions score is −10log(P), where P is the probability that the observed match is a random event. Individual ions scores > 19 indicate identity or extensive homology (p<0.05).

Protein score distribution for the first 50 proteins

[Deprecated] Score distribution for family members in the first 50 proteins. Protein scores are derived from ions scores as a non-probabilistic basis for ranking protein families.

Legend
Dupes Expect Rank U 1 2 Peptide
0.037 +2 GAYSLSLR significant
9 +1 GFFLFVEGGR top ranking
6.4e-005 +1 GSSIFGLAPGK significant and top ranking
1.3e-006 +1 X SSGTSYPDVLK peptide is found in all proteins in family member 1
6.2e-007 +1 / VCNYVSWIK peptide is found in some but not all proteins in family member 2
6.4e-005 +1 U GSSIFGLAPGK unique
+2 5.7e-005 +1 LNTLETEEWFFK peptide has two duplicates
0.18 +1 LNTLETEEWFFK duplicate peptide

Right-facing triangle (+) in the Dupes or Rank column indicates content that can be expanded by clicking on it. Down-facing triangle (-) indicates the content is expanded and can be collapsed. For more details about particular columns, see results format help.

Protein Family Summary

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Quantitation overview (20 proteins)


Score Mass Matches Sequences emPAI
Score Mass Matches Sequences emPAI
1 Q88JG6_PSEPK 2626 61597 122 (98) 25 (22) 2.45 histidine kinase OS=Pseudomonas putida (strain ATCC 47054 / DSM 6125 / CFBP 8728 / NCIMB 11950 / KT2440) OX=160488 GN=PP_2683 PE=4 SV=2
2 TRYP_PIG 225 25078 9 (7) 3 (3) 0.30 Trypsin OS=Sus scrofa PE=1 SV=1
3 Q70I01_9ACTO 193 166730 15 (10) 7 (5) 0.13 Borrelidin polyketide synthase, type I OS=Streptomyces parvulus GN=borA2 PE=4 SV=1
4 CH60_ECOLI 102 57464 20 (13) 17 (11) 0.60 60 kDa chaperonin OS=Escherichia coli (strain K12) GN=groL PE=1 SV=2
5 Q88JG7_PSEPK 42 44735 7 (4) 6 (4) 0.22 Fe-containing alcohol dehydrogenase OS=Pseudomonas putida (strain ATCC 47054 / DSM 6125 / CFBP 8728 / NCIMB 11950 / KT2440) OX=160488 GN=yiaY PE=3 SV=1
6 K1C10_HUMAN 31 59020 4 (1) 4 (1) 0.04 Keratin, type I cytoskeletal 10 OS=Homo sapiens GN=KRT10 PE=1 SV=6
7 GLND_ECOLI 31 102839 1 (1) 1 (1) 0.02 Bifunctional uridylyltransferase/uridylyl-removing enzyme OS=Escherichia coli (strain K12) GN=glnD PE=1 SV=2
8 EFTU1_ECOLI 30 43427 5 (2) 4 (2) 0.11 Elongation factor Tu 1 OS=Escherichia coli (strain K12) GN=tufA PE=1 SV=1
9 KPYK2_ECOLI 29 51553 10 (2) 10 (2) 0.09 Pyruvate kinase II OS=Escherichia coli (strain K12) GN=pykA PE=1 SV=3
10 MSCM_ECOLI 27 124232 1 (1) 1 (1) 0.02 Miniconductance mechanosensitive channel MscM OS=Escherichia coli (strain K12) GN=mscM PE=1 SV=3
11 UGPC_ECOLI 25 39556 2 (1) 2 (1) 0.06 sn-glycerol-3-phosphate import ATP-binding protein UgpC OS=Escherichia coli (strain K12) GN=ugpC PE=1 SV=3
12 WECD_ECOLI 25 24262 1 (1) 1 (1) 0.10 dTDP-fucosamine acetyltransferase OS=Escherichia coli (strain K12) GN=wecD PE=3 SV=3
13 TGT_ECOLI 25 0 1 (1) 1 (1) 0.06 description
14 A4XUL5_PSEMY 23 79167 3 (1) 2 (1) 0.03 Catalase OS=Pseudomonas mendocina (strain ymp) GN=Pmen_2273 PE=3 SV=1
15 GLTB_ECOLI 22 164335 1 (1) 1 (1) 0.01 Glutamate synthase [NADPH] large chain OS=Escherichia coli (strain K12) GN=gltB PE=1 SV=3
16 GLPD_ECOLI 21 56886 1 (1) 1 (1) 0.04 Aerobic glycerol-3-phosphate dehydrogenase OS=Escherichia coli (strain K12) GN=glpD PE=1 SV=3
17 NIKA_ECOLI 21 0 1 (1) 1 (1) 0.04 description
18 OPGG_ECOLI 21 57876 3 (1) 2 (1) 0.04 Glucans biosynthesis protein G OS=Escherichia coli (strain K12) GN=mdoG PE=1 SV=1
19 FTSW_ECOLI 15 46071 5 (1) 1 (1) 0.05 Lipid II flippase FtsW OS=Escherichia coli (strain K12) GN=ftsW PE=1 SV=1
20 GLTP_ECOLI 14 0 2 (1) 2 (1) 0.05 description

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