MASCOT Search Results

Search metadata
User : Jennifer
E-mail : [email protected]
Search title : Rita1
MS data file : PRT1270_T-BRSC_1_20250714114344.mgf
Database : P-putida 20180924 (5,556 sequences; 1,892,173 residues)
Timestamp : 12 Aug 2025 at 22:47:09 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 : 4,938

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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Protein families 301–310 (out of 313)


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+301

Accession Score Description
1 Q88CB4_PSEPK 23 Cytochrome c5 OS=Pseudomonas putida (strain KT2440) GN=PP_5267 PE=4 SV=1

+302

Accession Score Description
1 Q88QC1_PSEPK 22 Uncharacterized protein OS=Pseudomonas putida (strain KT2440) GN=PP_0573 PE=4 SV=1

+303

Accession Score Description
1 Q88EB3_PSEPK 21 RNA polymerase sigma-70 factor, ECF subfamily OS=Pseudomonas putida (strain KT2440) GN=PP_4553 PE=4 SV=1

+304

Accession Score Description
1 Q88P43_PSEPK 21 6-phosphogluconate dehydratase OS=Pseudomonas putida (strain KT2440) GN=edd PE=4 SV=1

+305

Accession Score Description
1 A0A379PS61_PSEPU 19 Heat shock protein Hsp20 OS=Pseudomonas putida OX=303 GN=ibpB PE=3 SV=1

-306

Accession Score Description
1 Q88KI8_PSEPK 19 Lon protease OS=Pseudomonas putida (strain KT2440) GN=lon-2 PE=2 SV=1
Score Mass Matches Sequences emPAI
306.1 Q88KI8_PSEPK 19 88895 9 (1) 5 (1) 0.03
Lon protease OS=Pseudomonas putida (strain KT2440) GN=lon-2 PE=2 SV=1

-9 peptide matches (7 non-duplicate, 2 duplicate)

Query Dupes Observed Mr(expt) Mr(calc) ppm  M Score Expect Rank U Peptide
323   308.7061 615.3976 615.3955 3.45 1 8 0.55 +4Score > 18 indicates identity U E.LNKLK.Q + Deamidated (NQ)
357   637.3323 636.3250 636.3231 3.02 0 11 0.51 +4Score > 20 indicates identity E.DALYR.V
430 +2 342.2265 682.4384 682.4378 1.01 0 19 0.016 +1Score > 14 indicates identity U E.AVVIPGK.G
432   683.4470 682.4397 682.4378 2.88 0 9 0.16 +2Score > 14 indicates identity U E.AVVIPGK.G
446   344.7050 687.3954 687.4028 -10.6 1 10 0.84 +6Score > 22 indicates identity U K.AQSKVR.L
692   803.4277 802.4204 802.4297 -11.5 0 12 0.81 +8Score > 24 indicates identity U E.SIAAATNR.K
693   402.2176 802.4206 802.4297 -11.3 0 2 8.1 +10Score > 24 indicates identity U E.SIAAATNR.K

+307

Accession Score Description
1 Q88DS8_PSEPK 19 Type I restriction-modification system, M subunit OS=Pseudomonas putida (strain KT2440) GN=hsdM PE=4 SV=1

+308

Accession Score Description
1 Q88CL6_PSEPK 18 Penicillin amidase family protein OS=Pseudomonas putida (strain KT2440) GN=PP_5164 PE=4 SV=1

+309

Accession Score Description
1 Q88QP6_PSEPK 18 Transcription termination/antitermination protein NusG OS=Pseudomonas putida (strain KT2440) GN=nusG PE=3 SV=1

+310

Accession Score Description
1 Q88JT4_PSEPK 17 Antibiotic biosynthesis protein, putative OS=Pseudomonas putida (strain KT2440) GN=PP_2563 PE=4 SV=1
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