Column |
Type |
Explaination |
agg_count |
integer |
how many peptides were aggregated together from the pep.xml file |
assumed_charge |
integer |
Precursor ion charge used for search |
calc_neutral_pep_mass |
double |
theoretical mass |
description |
string |
single concatenated string of protein descriptions — used for text search — (see
protein_descr ) |
eics |
float[] |
flat array of a matrix of [isoMax+2,rt,2] with isoMax+2 hits of retention time,intensity |
eics_shape |
integer[] |
actual shape of eics matrix (Since the parquet storage only allows 1D arrays) |
enrichment |
double |
Explain? |
fail |
integer |
bit wise OR of failures and warnings of the envelope fit (0 means no problem!) |
heavyCor |
double |
Explain? |
heavyDistribution |
float[] |
Explain? |
heavyFitParams |
float[] |
mu, sigma, scale, R2, R2adj |
isLabelledRun |
boolean |
search hit was in a labelled run |
is_decoy |
boolean |
if protein has a DECOY_ prefix |
isotopeEnvelopes |
float[] |
Explain? |
{#
isotopeRegressions |
float[] |
Explain? |
#}
labelledElementCount |
integer |
number of labelled atoms of this type on this peptide |
labelledEnvelopes |
float[] |
Explain? |
maxIso |
integer |
maximum number of heavy isotopes considered for this peptide |
modcol |
string |
string form of the modifications of this peptide
'{mass1}@{position1}:{mass2}@{position2}... '. The mass is formatted to 3 decimal places |
modifications |
Column | Type | Explaination |
---|
monoDelta | double
|
mass difference of static or variable modification |
monoMass |
double |
modified mass of aminoacid |
position |
integer |
modified aminoacid position in peptide [ranging from 1 to peptide length] |
|
list of modifications |
monoFitParams |
float[] |
array of 4 gaussian curve fitted params: mu, sigma, scale, baseline |
mz |
double |
calc_neutral_pep_mass/assumed_charge + H+ |
mzranges |
float[] |
array of [maxIso+2,2] mz min and max for each isotope of the peptide |
ndist |
float[] |
natural distribution of isotope abundance for this peptide |
num_missed_cleavages |
integer |
Number of sample enzyme cleavage sites internal to peptide |
observed_mz |
double |
precursor_neutral_mass/assumed_charge + H+ |
peptide |
string |
the peptide as amino acid string e.g. FYLQPLPPAEAAAR |
peptideprophet_probability |
double |
Peptide Prophet probability |
prGroup |
integer |
group id of prStr i.e. all peptides that share the same proteins list |
prStr |
string |
string concatenation of proteins list (for easy text searching) |
precursor_neutral_mass |
double |
observed mass |
protein_descr |
string[] |
list of decriptions of the proteins (from some database) |
proteins |
string[] |
list of protein IDs |
relativeIsotopeAbundance |
double |
Explain? |
result_index |
integer |
relates back to index of original pepxml (for debugging) |
retention_time_sec |
double |
retention time associated with start_scan |
run |
string |
run associated with this search hit |
xcorr |
double |
Explain? |