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Caffeine reversal / Illustrative model

See capture requirements

Caffeine capture needs capacity as well as binding

Chosen buffer concentrations are not human exposures or doses. Paraxanthine capture, oral delivery, brain exchange and sleep recovery are unresolved.

Source: studies/checklist-mechanisms-2026-10-19/caffeine/derived/target_capture_requirements.tsv
SHA-256 of UTF-8 text with LF line endings: 2fccd71faab54eef21adb87163b606230e4450af090c3f7fa8789a07b5bf2486

ka_case	caffeine_ka_per_molar	caffeine_total_uM	competition	capture_fraction	host_free_uM	host_total_uM	host_total_to_caffeine_ratio	occupied_sites_uM
reported_minus	22700.0	1.0	none	0.5	44.05286343612335	44.55286343612335	44.55286343612335	0.5
reported_minus	22700.0	1.0	none	0.9	396.4757709251102	397.37577092511026	397.37577092511026	0.8999999999999999
reported_minus	22700.0	1.0	none	0.99	4361.233480176208	4362.223480176208	4362.223480176208	0.9900000000000001
reported_minus	22700.0	1.0	theophylline_equal_total	0.5	44.05286343612335	44.84348843612335	44.84348843612335	0.7906249999999999
reported_minus	22700.0	1.0	theophylline_equal_total	0.9	396.4757709251102	398.1624250604486	398.1624250604486	1.686654135338346
reported_minus	22700.0	1.0	theophylline_equal_total	0.99	4361.233480176208	4363.199418272456	4363.199418272456	1.965938096247615
reported_minus	22700.0	1.0	theobromine_equal_total	0.5	44.05286343612335	44.83992373763089	44.83992373763089	0.7870603015075376
reported_minus	22700.0	1.0	theobromine_equal_total	0.9	396.4757709251102	398.1594980592566	398.1594980592566	1.6837271341463416
reported_minus	22700.0	1.0	theobromine_equal_total	0.99	4361.233480176208	4363.1990073658235	4363.1990073658235	1.9655271896157662
reported_minus	22700.0	1.0	fictional_background	0.5	44.05286343612335	350.3632609896402	350.3632609896402	306.3103975535168
reported_minus	22700.0	1.0	fictional_background	0.9	396.4757709251102	1195.956072611002	1195.956072611002	799.4803016858916
reported_minus	22700.0	1.0	fictional_background	0.99	4361.233480176208	5339.808154808379	5339.808154808379	978.5746746321714
reported_minus	22700.0	10.0	none	0.5	44.05286343612335	49.05286343612335	4.905286343612335	5.0
reported_minus	22700.0	10.0	none	0.9	396.4757709251102	405.4757709251102	40.54757709251103	9.0
reported_minus	22700.0	10.0	none	0.99	4361.233480176208	4371.133480176208	437.1133480176208	9.899999999999999
reported_minus	22700.0	10.0	theophylline_equal_total	0.5	44.05286343612335	51.95911343612335	5.195911343612336	7.906249999999999
reported_minus	22700.0	10.0	theophylline_equal_total	0.9	396.4757709251102	413.3423122784937	41.33423122784937	16.866541353383457
reported_minus	22700.0	10.0	theophylline_equal_total	0.99	4361.233480176208	4380.892861138684	438.0892861138684	19.659380962476146
reported_minus	22700.0	10.0	theobromine_equal_total	0.5	44.05286343612335	51.92346645119873	5.192346645119874	7.870603015075376
reported_minus	22700.0	10.0	theobromine_equal_total	0.9	396.4757709251102	413.31304226657363	41.331304226657366	16.837271341463417
reported_minus	22700.0	10.0	theobromine_equal_total	0.99	4361.233480176208	4380.888752072366	438.0888752072366	19.655271896157657
reported_minus	22700.0	10.0	fictional_background	0.5	44.05286343612335	354.8632609896402	35.48632609896402	310.8103975535168
reported_minus	22700.0	10.0	fictional_background	0.9	396.4757709251102	1204.0560726110018	120.4056072611002	807.5803016858916
reported_minus	22700.0	10.0	fictional_background	0.99	4361.233480176208	5348.718154808379	534.871815480838	987.4846746321714
reported_minus	22700.0	100.0	none	0.5	44.05286343612335	94.05286343612335	0.9405286343612335	49.99999999999999
reported_minus	22700.0	100.0	none	0.9	396.4757709251102	486.4757709251102	4.864757709251102	89.99999999999999
reported_minus	22700.0	100.0	none	0.99	4361.233480176208	4460.233480176208	44.60233480176208	99.0
reported_minus	22700.0	100.0	theophylline_equal_total	0.5	44.05286343612335	123.11536343612335	1.2311536343612335	79.06249999999999
reported_minus	22700.0	100.0	theophylline_equal_total	0.9	396.4757709251102	565.1411844589447	5.651411844589449	168.6654135338346
reported_minus	22700.0	100.0	theophylline_equal_total	0.99	4361.233480176208	4557.827289800969	45.57827289800969	196.5938096247615
reported_minus	22700.0	100.0	theobromine_equal_total	0.5	44.05286343612335	122.75889358687712	1.2275889358687713	78.70603015075376
reported_minus	22700.0	100.0	theobromine_equal_total	0.9	396.4757709251102	564.8484843397443	5.648484843397444	168.37271341463415
reported_minus	22700.0	100.0	theobromine_equal_total	0.99	4361.233480176208	4557.786199137785	45.57786199137785	196.5527189615766
reported_minus	22700.0	100.0	fictional_background	0.5	44.05286343612335	399.8632609896402	3.9986326098964025	355.81039755351685
reported_minus	22700.0	100.0	fictional_background	0.9	396.4757709251102	1285.056072611002	12.850560726110022	888.5803016858916
reported_minus	22700.0	100.0	fictional_background	0.99	4361.233480176208	5437.818154808379	54.378181548083795	1076.5846746321713
central	25100.0	1.0	none	0.5	39.8406374501992	40.3406374501992	40.3406374501992	0.5
central	25100.0	1.0	none	0.9	358.5657370517929	359.4657370517929	359.4657370517929	0.8999999999999999
central	25100.0	1.0	none	0.99	3944.2231075697173	3945.2131075697175	3945.2131075697175	0.9900000000000001
central	25100.0	1.0	theophylline_equal_total	0.5	39.8406374501992	40.61098628740851	40.61098628740851	0.7703488372093024
central	25100.0	1.0	theophylline_equal_total	0.9	358.5657370517929	360.2350385223811	360.23503852238116	1.6693014705882352
central	25100.0	1.0	theophylline_equal_total	0.99	3944.2231075697173	3946.1865691895096	3946.18656918951	1.9634616197927683
central	25100.0	1.0	theobromine_equal_total	0.5	39.8406374501992	40.60757670253565	40.60757670253565	0.7669392523364486
central	25100.0	1.0	theobromine_equal_total	0.9	358.5657370517929	360.2319442052951	360.2319442052952	1.6662071535022356
central	25100.0	1.0	theobromine_equal_total	0.99	3944.2231075697173	3946.186117161528	3946.186117161528	1.9630095918104002
central	25100.0	1.0	fictional_background	0.5	39.8406374501992	325.24092235048414	325.24092235048414	285.40028490028493
central	25100.0	1.0	fictional_background	0.9	358.5657370517929	1141.3944946538782	1141.3944946538782	782.8287576020851
central	25100.0	1.0	fictional_background	0.99	3944.2231075697173	4920.486479651286	4920.486479651286	976.2633720815683
central	25100.0	10.0	none	0.5	39.8406374501992	44.8406374501992	4.484063745019921	5.0
central	25100.0	10.0	none	0.9	358.5657370517929	367.5657370517929	36.75657370517929	9.0
central	25100.0	10.0	none	0.99	3944.2231075697173	3954.1231075697174	395.41231075697175	9.899999999999999
central	25100.0	10.0	theophylline_equal_total	0.5	39.8406374501992	47.54412582229222	4.754412582229223	7.703488372093022
central	25100.0	10.0	theophylline_equal_total	0.9	358.5657370517929	375.25875175767527	37.52587517576753	16.69301470588235
central	25100.0	10.0	theophylline_equal_total	0.99	3944.2231075697173	3963.857723767645	396.3857723767645	19.63461619792768
central	25100.0	10.0	theobromine_equal_total	0.5	39.8406374501992	47.51002997356369	4.751002997356369	7.669392523364485
central	25100.0	10.0	theobromine_equal_total	0.9	358.5657370517929	375.22780858681523	37.52278085868153	16.662071535022356
central	25100.0	10.0	theobromine_equal_total	0.99	3944.2231075697173	3963.8532034878212	396.38532034878216	19.630095918103997
central	25100.0	10.0	fictional_background	0.5	39.8406374501992	329.74092235048414	32.97409223504842	289.90028490028493
central	25100.0	10.0	fictional_background	0.9	358.5657370517929	1149.4944946538783	114.94944946538783	790.9287576020852
central	25100.0	10.0	fictional_background	0.99	3944.2231075697173	4929.3964796512855	492.9396479651286	985.1733720815682
central	25100.0	100.0	none	0.5	39.8406374501992	89.8406374501992	0.8984063745019921	49.99999999999999
central	25100.0	100.0	none	0.9	358.5657370517929	448.5657370517929	4.48565737051793	89.99999999999999
central	25100.0	100.0	none	0.99	3944.2231075697173	4043.2231075697173	40.432231075697175	99.0
central	25100.0	100.0	theophylline_equal_total	0.5	39.8406374501992	116.87552117112942	1.1687552117112945	77.03488372093022
central	25100.0	100.0	theophylline_equal_total	0.9	358.5657370517929	525.4958841106164	5.2549588411061645	166.9301470588235
central	25100.0	100.0	theophylline_equal_total	0.99	3944.2231075697173	4140.569269548994	41.40569269548995	196.3461619792768
central	25100.0	100.0	theobromine_equal_total	0.5	39.8406374501992	116.53456268384404	1.1653456268384406	76.69392523364485
central	25100.0	100.0	theobromine_equal_total	0.9	358.5657370517929	525.1864524020165	5.2518645240201645	166.62071535022352
central	25100.0	100.0	theobromine_equal_total	0.99	3944.2231075697173	4140.524066750757	41.40524066750758	196.30095918104
central	25100.0	100.0	fictional_background	0.5	39.8406374501992	374.74092235048414	3.747409223504842	334.900284900285
central	25100.0	100.0	fictional_background	0.9	358.5657370517929	1230.494494653878	12.304944946538782	871.9287576020853
central	25100.0	100.0	fictional_background	0.99	3944.2231075697173	5018.496479651286	50.18496479651286	1074.2733720815681
reported_plus	27500.0	1.0	none	0.5	36.36363636363637	36.86363636363636	36.86363636363637	0.5
reported_plus	27500.0	1.0	none	0.9	327.2727272727273	328.17272727272734	328.17272727272734	0.8999999999999999
reported_plus	27500.0	1.0	none	0.99	3599.999999999997	3600.989999999997	3600.989999999997	0.9900000000000001
reported_plus	27500.0	1.0	theophylline_equal_total	0.5	36.36363636363637	37.11635375494071	37.11635375494072	0.7527173913043478
reported_plus	27500.0	1.0	theophylline_equal_total	0.9	327.2727272727273	328.92542511445396	328.92542511445396	1.6526978417266187
reported_plus	27500.0	1.0	theophylline_equal_total	0.99	3599.999999999997	3601.960997679811	3601.9609976798115	1.960997679814385
reported_plus	27500.0	1.0	theobromine_equal_total	0.5	36.36363636363637	37.11309051210798	37.11309051210799	0.7494541484716156
reported_plus	27500.0	1.0	theobromine_equal_total	0.9	327.2727272727273	328.922180625497	328.922180625497	1.649453352769679
reported_plus	27500.0	1.0	theobromine_equal_total	0.99	3599.999999999997	3601.9605049551647	3601.9605049551647	1.9605049551675318
reported_plus	27500.0	1.0	fictional_background	0.5	36.36363636363637	303.53030303030306	303.53030303030306	267.1666666666667
reported_plus	27500.0	1.0	fictional_background	0.9	327.2727272727273	1094.130174081238	1094.130174081238	766.8574468085105
reported_plus	27500.0	1.0	fictional_background	0.99	3599.999999999997	4573.9629729729695	4573.9629729729695	973.9629729729729
reported_plus	27500.0	10.0	none	0.5	36.36363636363637	41.36363636363637	4.136363636363637	5.0
reported_plus	27500.0	10.0	none	0.9	327.2727272727273	336.2727272727273	33.62727272727273	9.0
reported_plus	27500.0	10.0	none	0.99	3599.999999999997	3609.899999999997	360.9899999999997	9.899999999999999
reported_plus	27500.0	10.0	theophylline_equal_total	0.5	36.36363636363637	43.890810276679844	4.389081027667984	7.527173913043478
reported_plus	27500.0	10.0	theophylline_equal_total	0.9	327.2727272727273	343.7997056899935	34.379970568999354	16.526978417266186
reported_plus	27500.0	10.0	theophylline_equal_total	0.99	3599.999999999997	3619.609976798141	361.9609976798141	19.60997679814385
reported_plus	27500.0	10.0	theobromine_equal_total	0.5	36.36363636363637	43.85817784835252	4.385817784835252	7.494541484716156
reported_plus	27500.0	10.0	theobromine_equal_total	0.9	327.2727272727273	343.7672608004241	34.37672608004241	16.49453352769679
reported_plus	27500.0	10.0	theobromine_equal_total	0.99	3599.999999999997	3619.6050495516724	361.96050495516727	19.605049551675318
reported_plus	27500.0	10.0	fictional_background	0.5	36.36363636363637	308.03030303030306	30.803030303030308	271.6666666666667
reported_plus	27500.0	10.0	fictional_background	0.9	327.2727272727273	1102.230174081238	110.22301740812381	774.9574468085106
reported_plus	27500.0	10.0	fictional_background	0.99	3599.999999999997	4582.872972972969	458.287297297297	982.8729729729729
reported_plus	27500.0	100.0	none	0.5	36.36363636363637	86.36363636363636	0.8636363636363636	49.99999999999999
reported_plus	27500.0	100.0	none	0.9	327.2727272727273	417.2727272727273	4.172727272727273	89.99999999999999
reported_plus	27500.0	100.0	none	0.99	3599.999999999997	3698.999999999997	36.989999999999974	99.0
reported_plus	27500.0	100.0	theophylline_equal_total	0.5	36.36363636363637	111.63537549407114	1.1163537549407114	75.27173913043477
reported_plus	27500.0	100.0	theophylline_equal_total	0.9	327.2727272727273	492.5425114453892	4.925425114453892	165.26978417266187
reported_plus	27500.0	100.0	theophylline_equal_total	0.99	3599.999999999997	3796.0997679814354	37.960997679814355	196.0997679814385
reported_plus	27500.0	100.0	theobromine_equal_total	0.5	36.36363636363637	111.30905121079793	1.1130905121079795	74.94541484716157
reported_plus	27500.0	100.0	theobromine_equal_total	0.9	327.2727272727273	492.2180625496952	4.922180625496953	164.9453352769679
reported_plus	27500.0	100.0	theobromine_equal_total	0.99	3599.999999999997	3796.05049551675	37.9605049551675	196.05049551675316
reported_plus	27500.0	100.0	fictional_background	0.5	36.36363636363637	353.03030303030306	3.5303030303030307	316.6666666666667
reported_plus	27500.0	100.0	fictional_background	0.9	327.2727272727273	1183.230174081238	11.83230174081238	855.9574468085107
reported_plus	27500.0	100.0	fictional_background	0.99	3599.999999999997	4671.97297297297	46.7197297297297	1071.972972972973