In [1]:
import os
import sys
sys.path.append(os.path.abspath("/users/amtseng/tfmodisco/src/"))
from tfmodisco.run_tfmodisco import import_shap_scores, import_tfmodisco_results
from motif.read_motifs import pfm_info_content, pfm_to_pwm, trim_motif_by_ic
from motif.match_motifs import match_motifs_to_database
from util import figure_to_vdom_image
import plot.viz_sequence as viz_sequence
import numpy as np
import h5py
import matplotlib.pyplot as plt
import vdom.helpers as vdomh
from IPython.display import display

Define constants and paths

In [2]:
# Define parameters/fetch arguments
tf_name = os.environ["TFM_TF_NAME"]
shap_scores_path = os.environ["TFM_SHAP_PATH"]
tfm_results_path = os.environ["TFM_TFM_PATH"]
hyp_score_key = os.environ["TFM_HYP_SCORE_KEY"]
if "TFM_MOTIF_CACHE" in os.environ:
    tfm_motifs_cache_dir = os.environ["TFM_MOTIF_CACHE"]
else:
    tfm_motifs_cache_dir = None

print("TF name: %s" % tf_name)
print("DeepSHAP scores path: %s" % shap_scores_path)
print("TF-MoDISco results path: %s" % tfm_results_path)
print("Importance score key: %s" % hyp_score_key)
print("Saved TF-MoDISco-derived motifs cache: %s" % tfm_motifs_cache_dir)
TF name: NR3C1-reddytime
DeepSHAP scores path: /users/amtseng/tfmodisco/results/importance_scores/multitask_profile/NR3C1-reddytime_multitask_profile_fold8/NR3C1-reddytime_multitask_profile_fold8_imp_scores.h5
TF-MoDISco results path: /users/amtseng/tfmodisco/results/tfmodisco/multitask_profile/NR3C1-reddytime_multitask_profile_fold8/NR3C1-reddytime_multitask_profile_fold8_count_tfm.h5
Importance score key: count_hyp_scores
Saved TF-MoDISco-derived motifs cache: /users/amtseng/tfmodisco/results/reports/tfmodisco_results//cache/multitask_profile/NR3C1-reddytime_multitask_profile_fold8/NR3C1-reddytime_multitask_profile_fold8_count
In [3]:
# Define paths and constants
input_length = 2114
shap_score_center_size = 400
In [4]:
if tfm_motifs_cache_dir:
    os.makedirs(tfm_motifs_cache_dir, exist_ok=True)

Import SHAP scores and TF-MoDISco results

In [5]:
# Import SHAP coordinates and one-hot sequences
hyp_scores, _, one_hot_seqs, shap_coords = import_shap_scores(shap_scores_path, hyp_score_key, center_cut_size=shap_score_center_size)
# This cuts the sequences/scores off just as how TF-MoDISco saw them, but the coordinates are uncut
Importing SHAP scores: 100%|██████████| 186/186 [01:30<00:00,  2.05it/s]
In [6]:
# Import the TF-MoDISco results object
tfm_obj = import_tfmodisco_results(tfm_results_path, hyp_scores, one_hot_seqs, shap_score_center_size)

Plot some SHAP score tracks

Plot the central region of some randomly selected actual importance scores

In [7]:
plot_slice = slice(int(shap_score_center_size / 4), int(3 * shap_score_center_size / 4))
for index in np.random.choice(hyp_scores.shape[0], size=5, replace=False):
    viz_sequence.plot_weights((hyp_scores[index] * one_hot_seqs[index])[plot_slice], subticks_frequency=100)

Plot TF-MoDISco results

Plot all motifs by metacluster

In [8]:
motif_pfms, motif_hcwms, motif_cwms = [], [], []  # Save the trimmed PFMs, hCWMs, and CWMs
motif_pfms_short = []  # PFMs that are even more trimmed (for TOMTOM)
num_seqlets = []  # Number of seqlets for each motif
motif_seqlets = []  # Save seqlets of each motif
metaclusters = tfm_obj.metacluster_idx_to_submetacluster_results
num_metaclusters = len(metaclusters.keys())
if tfm_motifs_cache_dir:
    motif_hdf5 = h5py.File(os.path.join(tfm_motifs_cache_dir, "all_motifs.h5"), "w")
for metacluster_i, metacluster_key in enumerate(metaclusters.keys()):
    metacluster = metaclusters[metacluster_key]
    display(vdomh.h3("Metacluster %d/%d" % (metacluster_i + 1, num_metaclusters)))
    patterns = metacluster.seqlets_to_patterns_result.patterns
    if not patterns:
        break
    motif_pfms.append([])
    motif_hcwms.append([])
    motif_cwms.append([])
    motif_pfms_short.append([])
    num_seqlets.append([])
    motif_seqlets.append([])
    num_patterns = len(patterns)
    for pattern_i, pattern in enumerate(patterns):
        seqlets = pattern.seqlets
        display(vdomh.h4("Pattern %d/%d" % (pattern_i + 1, num_patterns)))
        display(vdomh.p("%d seqlets" % len(seqlets)))
        
        pfm = pattern["sequence"].fwd
        hcwm = pattern["task0_hypothetical_contribs"].fwd
        cwm = pattern["task0_contrib_scores"].fwd
        
        pfm_fig = viz_sequence.plot_weights(pfm, subticks_frequency=10, return_fig=True)
        hcwm_fig = viz_sequence.plot_weights(hcwm, subticks_frequency=10, return_fig=True)
        cwm_fig = viz_sequence.plot_weights(cwm, subticks_frequency=10, return_fig=True)
        pfm_fig.tight_layout()
        hcwm_fig.tight_layout()
        cwm_fig.tight_layout()
        
        motif_table = vdomh.table(
            vdomh.tr(
                vdomh.td("Sequence (PFM)"),
                vdomh.td(figure_to_vdom_image(pfm_fig))
            ),
            vdomh.tr(
                vdomh.td("Hypothetical contributions (hCWM)"),
                vdomh.td(figure_to_vdom_image(hcwm_fig))
            ),
            vdomh.tr(
                vdomh.td("Actual contributions (CWM)"),
                vdomh.td(figure_to_vdom_image(cwm_fig))
            )
        )
        display(motif_table)
        plt.close("all")  # Remove all standing figures
        
        # Trim motif based on information content
        short_trimmed_pfm = trim_motif_by_ic(pfm, pfm)
        motif_pfms_short[-1].append(short_trimmed_pfm)
        
        # Expand trimming to +/- 4bp on either side
        trimmed_pfm = trim_motif_by_ic(pfm, pfm, pad=4)
        trimmed_hcwm = trim_motif_by_ic(pfm, hcwm, pad=4)
        trimmed_cwm = trim_motif_by_ic(pfm, cwm, pad=4)
        
        motif_pfms[-1].append(trimmed_pfm)
        motif_hcwms[-1].append(trimmed_hcwm)
        motif_cwms[-1].append(trimmed_cwm)
        
        num_seqlets[-1].append(len(seqlets))
        
        if tfm_motifs_cache_dir:
            # Save results and figures
            motif_id = "%d_%d" % (metacluster_i, pattern_i)
            pfm_fig.savefig(os.path.join(tfm_motifs_cache_dir, motif_id + "_pfm_full.png"))
            hcwm_fig.savefig(os.path.join(tfm_motifs_cache_dir, motif_id + "_hcwm_full.png"))
            cwm_fig.savefig(os.path.join(tfm_motifs_cache_dir, motif_id + "_cwm_full.png"))
            motif_dset = motif_hdf5.create_group(motif_id)
            motif_dset.create_dataset("pfm_full", data=pfm, compression="gzip")
            motif_dset.create_dataset("hcwm_full", data=hcwm, compression="gzip")
            motif_dset.create_dataset("cwm_full", data=cwm, compression="gzip")
            motif_dset.create_dataset("pfm_trimmed", data=trimmed_pfm, compression="gzip")
            motif_dset.create_dataset("hcwm_trimmed", data=trimmed_hcwm, compression="gzip")
            motif_dset.create_dataset("cwm_trimmed", data=trimmed_cwm, compression="gzip")
            motif_dset.create_dataset("pfm_short_trimmed", data=short_trimmed_pfm, compression="gzip")
if tfm_motifs_cache_dir:
    motif_hdf5.close()

Metacluster 1/1

Pattern 1/9

5932 seqlets

Sequence (PFM)
Hypothetical contributions (hCWM)
Actual contributions (CWM)

Pattern 2/9

3262 seqlets

Sequence (PFM)
Hypothetical contributions (hCWM)
Actual contributions (CWM)

Pattern 3/9

1667 seqlets

Sequence (PFM)
Hypothetical contributions (hCWM)
Actual contributions (CWM)

Pattern 4/9

1139 seqlets

Sequence (PFM)
Hypothetical contributions (hCWM)
Actual contributions (CWM)

Pattern 5/9

445 seqlets

Sequence (PFM)
Hypothetical contributions (hCWM)
Actual contributions (CWM)

Pattern 6/9

394 seqlets

Sequence (PFM)
Hypothetical contributions (hCWM)
Actual contributions (CWM)

Pattern 7/9

271 seqlets

Sequence (PFM)
Hypothetical contributions (hCWM)
Actual contributions (CWM)

Pattern 8/9

226 seqlets

Sequence (PFM)
Hypothetical contributions (hCWM)
Actual contributions (CWM)

Pattern 9/9

153 seqlets

Sequence (PFM)
Hypothetical contributions (hCWM)
Actual contributions (CWM)

Summary of motifs

Motifs are trimmed based on information content, and presented in descending order by number of supporting seqlets. The motifs are separated by metacluster. The motifs are presented as hCWMs. The forward orientation is defined as the orientation that is richer in purines.

In [9]:
colgroup = vdomh.colgroup(
    vdomh.col(style={"width": "5%"}),
    vdomh.col(style={"width": "5%"}),
    vdomh.col(style={"width": "45%"}),
    vdomh.col(style={"width": "45%"})
)
header = vdomh.thead(
    vdomh.tr(
        vdomh.th("#", style={"text-align": "center"}),
        vdomh.th("Seqlets", style={"text-align": "center"}),
        vdomh.th("Forward", style={"text-align": "center"}),
        vdomh.th("Reverse", style={"text-align": "center"})
    )
)

for i in range(len(motif_hcwms)):
    display(vdomh.h3("Metacluster %d/%d" % (i + 1, num_metaclusters)))
    body = []
    for j in range(len(motif_hcwms[i])):
        motif = motif_hcwms[i][j]
        if np.sum(motif[:, [0, 2]]) > 0.5 * np.sum(motif):
            # Forward is purine-rich, reverse-complement is pyrimidine-rich
            f, rc = motif, np.flip(motif, axis=(0, 1))
        else:
            f, rc = np.flip(motif, axis=(0, 1)), motif
            
        f_fig = viz_sequence.plot_weights(f, figsize=(20, 4), return_fig=True)
        f_fig.tight_layout()
        rc_fig = viz_sequence.plot_weights(rc, figsize=(20, 4), return_fig=True)
        rc_fig.tight_layout()
        
        if tfm_motifs_cache_dir:
            # Save results and figures
            motif_id = "%d_%d" % (i, j)
            f_fig.savefig(os.path.join(tfm_motifs_cache_dir, motif_id + "_hcwm_trimmed_fwd.png"))
            rc_fig.savefig(os.path.join(tfm_motifs_cache_dir, motif_id + "_hcwm_trimmed_rev.png"))

        body.append(
            vdomh.tr(
                vdomh.td(str(j + 1)),
                vdomh.td(str(num_seqlets[i][j])),
                vdomh.td(figure_to_vdom_image(f_fig)),
                vdomh.td(figure_to_vdom_image(rc_fig))
            )
        )
    display(vdomh.table(colgroup, header, vdomh.tbody(*body)))
    plt.close("all")

Metacluster 1/1

#SeqletsForwardReverse
15932
23262
31667
41139
5445
6394
7271
8226
9153

Top TOMTOM matches for each motif

Here, the TF-MoDISco motifs are plotted as hCWMs, but the TOMTOM matches are shown as PWMs.

In [10]:
num_matches_to_keep = 10
num_matches_to_show = 5

header = vdomh.thead(
    vdomh.tr(
        vdomh.th("Motif ID", style={"text-align": "center"}),
        vdomh.th("q-val", style={"text-align": "center"}),
        vdomh.th("PWM", style={"text-align": "center"})
    )
)

for i in range(len(motif_pfms)):
    display(vdomh.h3("Metacluster %d/%d" % (i + 1, num_metaclusters)))
    
    # Compute TOMTOM matches for all motifs in the metacluster at once
    out_dir = os.path.join(tfm_motifs_cache_dir, "tomtom", "metacluster_%d" % i) if tfm_motifs_cache_dir else None
    tomtom_matches = match_motifs_to_database(motif_pfms_short[i], top_k=num_matches_to_keep, temp_dir=out_dir)
    
    for j in range(len(motif_pfms[i])):
        display(vdomh.h4("Motif %d/%d" % (j + 1, len(motif_pfms[i]))))
        viz_sequence.plot_weights(motif_hcwms[i][j])
    
        body = []
        for k, (match_name, match_pfm, match_qval) in enumerate(tomtom_matches[j]):
            fig = viz_sequence.plot_weights(pfm_to_pwm(match_pfm), return_fig=True)
            fig.tight_layout()
            if k < num_matches_to_show:
                body.append(
                    vdomh.tr(
                        vdomh.td(match_name),
                        vdomh.td(str(match_qval)),
                        vdomh.td(figure_to_vdom_image(fig))
                    )
                )
                if tfm_motifs_cache_dir:
                    # Save results and figures
                    motif_id = "%d_%d" % (i, j)
                    fig.savefig(os.path.join(out_dir, motif_id + ("_hit-%d.png" % (k + 1))))
            else:
                body.append(
                    vdomh.tr(
                        vdomh.td(match_name),
                        vdomh.td(str(match_qval)),
                        vdomh.td("Not shown")
                    )
                )
        if not body:
            display(vdomh.p("No TOMTOM matches passing threshold"))
        else:
            display(vdomh.table(header, vdomh.tbody(*body)))
        plt.close("all")

Metacluster 1/1

Motif 1/9

Motif IDq-valPWM
GCR_HUMAN.H11MO.0.A2.36031e-09
PRGR_HUMAN.H11MO.0.A7.79811e-07
ANDR_HUMAN.H11MO.1.A7.79811e-07
MA0727.1_NR3C28.737549999999999e-05
MA0113.3_NR3C10.00023452099999999999
PRGR_HUMAN.H11MO.1.A0.00851173Not shown
MA0007.3_Ar0.0160857Not shown
GCR_HUMAN.H11MO.1.A0.034278199999999995Not shown
RARG_HUMAN.H11MO.0.B0.428939Not shown
MA1508.1_IKZF10.428939Not shown

Motif 2/9

Motif IDq-valPWM
JUN_HUMAN.H11MO.0.A4.04932e-07
FOSB_HUMAN.H11MO.0.A4.04932e-07
FOSL2_HUMAN.H11MO.0.A4.04932e-07
FOSL1_HUMAN.H11MO.0.A9.6514e-07
MA1130.1_FOSL2::JUN9.6514e-07
MA0099.3_FOS::JUN1.0340799999999998e-06Not shown
MA1622.1_Smad2::Smad31.0340799999999998e-06Not shown
MA1137.1_FOSL1::JUNB3.7729099999999998e-06Not shown
MA1128.1_FOSL1::JUN3.7729099999999998e-06Not shown
MA1141.1_FOS::JUND3.7729099999999998e-06Not shown

Motif 3/9

Motif IDq-valPWM
CEBPB_HUMAN.H11MO.0.A6.98839e-10
CEBPD_HUMAN.H11MO.0.C2.89374e-06
MA0836.2_CEBPD1.2329500000000001e-05
CEBPA_HUMAN.H11MO.0.A1.2329500000000001e-05
MA0102.4_CEBPA2.66264e-05
MA0837.1_CEBPE0.0006198169999999999Not shown
MA0025.2_NFIL30.0006198169999999999Not shown
MA0466.2_CEBPB0.0006198169999999999Not shown
MA0838.1_CEBPG0.000920357Not shown
NFIL3_HUMAN.H11MO.0.D0.00225456Not shown

Motif 4/9

Motif IDq-valPWM
FOXA1_HUMAN.H11MO.0.A1.83899e-06
FOXA2_HUMAN.H11MO.0.A1.83899e-06
FOXM1_HUMAN.H11MO.0.A5.60362e-06
FOXF2_HUMAN.H11MO.0.D9.77385e-06
FOXA3_HUMAN.H11MO.0.B2.52448e-05
MA0847.2_FOXD22.52448e-05Not shown
MA0846.1_FOXC22.52448e-05Not shown
FOXC1_HUMAN.H11MO.0.C2.77065e-05Not shown
FOXD3_HUMAN.H11MO.0.D2.77065e-05Not shown
FOXJ2_HUMAN.H11MO.0.C0.00104545Not shown

Motif 5/9

Motif IDq-valPWM
PRGR_HUMAN.H11MO.0.A0.00514982
GCR_HUMAN.H11MO.0.A0.00855941
ANDR_HUMAN.H11MO.1.A0.037991500000000004
MA0808.1_TEAD30.0481774
ZN394_HUMAN.H11MO.1.D0.0523408
MA0727.1_NR3C20.144426Not shown
HSF1_HUMAN.H11MO.0.A0.144426Not shown
MA0113.3_NR3C10.161834Not shown
HSF2_HUMAN.H11MO.0.A0.161834Not shown
SMCA5_HUMAN.H11MO.0.C0.22321300000000002Not shown

Motif 6/9

Motif IDq-valPWM
MA1127.1_FOSB::JUN1.4860899999999999e-05
MA1136.1_FOSB::JUNB(var.2)3.23263e-05
ATF2_HUMAN.H11MO.2.C3.23263e-05
ATF7_HUMAN.H11MO.0.D3.23263e-05
MA0840.1_Creb53.23263e-05
MA1133.1_JUN::JUNB(var.2)3.23263e-05Not shown
MA1139.1_FOSL2::JUNB(var.2)3.23263e-05Not shown
JDP2_HUMAN.H11MO.0.D3.23263e-05Not shown
MA1126.1_FOS::JUN(var.2)3.76506e-05Not shown
MA0609.2_CREM3.76506e-05Not shown

Motif 7/9

Motif IDq-valPWM
FOXD2_HUMAN.H11MO.0.D0.00908909
FOXB1_HUMAN.H11MO.0.D0.11860699999999999
MA0791.1_POU4F30.40799
MA0683.1_POU4F20.419227
MA0032.2_FOXC10.419227
MA0845.1_FOXB10.419227Not shown
PO4F3_HUMAN.H11MO.0.D0.45840699999999995Not shown
FOXJ2_HUMAN.H11MO.0.C0.45840699999999995Not shown

Motif 8/9

Motif IDq-valPWM
PRGR_HUMAN.H11MO.0.A0.026316200000000005
GCR_HUMAN.H11MO.0.A0.0361124
ANDR_HUMAN.H11MO.1.A0.0361124
MA0727.1_NR3C20.0957936
MA0113.3_NR3C10.101773
PRGR_HUMAN.H11MO.1.A0.112049Not shown

Motif 9/9

Motif IDq-valPWM
TEAD4_HUMAN.H11MO.0.A2.8217900000000004e-06
TEAD1_HUMAN.H11MO.0.A0.00113675
TEAD2_HUMAN.H11MO.0.D0.0012300999999999998
MA0090.3_TEAD10.0012300999999999998
MA1121.1_TEAD20.00309424
MA0809.2_TEAD40.00888052Not shown
MA0808.1_TEAD30.00965784Not shown
P53_HUMAN.H11MO.1.A0.0405481Not shown
P73_HUMAN.H11MO.1.A0.044046499999999995Not shown
P63_HUMAN.H11MO.0.A0.22519Not shown