Table I. Nonlinear regression results. Shown are the experimental results obtained from fitting the temporal digest data to their mathematical models.

Peptide	Sequence	kpb	kdb	[SNAT]0c	R2	kp/kd
4CL3.262–273	FDIGTLLGLIEK	0.344	0.140	61.1	0.9224	2.45
4CL5.262–273	FEIGSLLGLIEK	0.466	0.179	3.33	0.9152	2.61
C3H3.125–134	VCTLELFSPK	0.762	0.075	16.3	0.9605	10.1
C4H1.255–261	DYFVDER	1.436	0.003	16.8	0.9632	427
C4H2.255–261	DYFVEER	1.822	0.002	5.34	0.9451	847
CAD1.184–198	GGILGLGGVGHMGVK	1.011	0.184	35.0	0.8903	5.49
CAld5H1.426–435	FLEPGVPDFK	1.670	0.016	15.3	0.9628	102
CAld5H2.427–436	FMKPGVPDFK	1.976	0.046	4.37	0.9490	43.3
CAld5H2.L.427–436	FLKPGVPDFK	1.881	0.020	11.0	0.9748	91.9
CCoAOMT1.182–206	VGGLIGYDNTLWNGSVVAPPDAPMR	1.647	0.330	108	0.6355	5.00
CCoAOMT2.182–206	VGGLIGYDNTLWNGSVVAPADAPMR	1.631	0.682	85.9	0.7946	2.39
CCoAOMT3.104–115a	EAYEIGLPFIQK	1.031	0.571	36.6	0.5861	1.81
CCoAOMT3.217–232a	VEISQISIGDGVTLCR	2.505	0.963	66.2	0.6535	2.60
CCR2.299–308	DLGFEFTPVK	2.486	0.043	12.4	0.9438	57.2
COMT2.51–69	AGPGAFLSTSEIASHLPTK	0.880	0.071	1208	0.9734	12.4
HCT1.338–354	SALDFLELQPDLSALVR	1.264	0.103	20.1	0.9387	12.2
HCT6.338–354	SALDYLELQPDLSALVR	1.328	0.091	11.5	0.9517	14.7
PAL1.238–251a	AAGIDSGFFELQPK	0.982	0.553	21.0	0.8248	1.78
PAL1.664–675	EELGTGLLTGEK	2.399	0.014	5.75	0.9763	172
PAL2.661–672	EELGTILLTGEK	1.147	0.109	21.8	0.9693	10.6
PAL3.665–676	EELGTVLLTGEK	1.089	0.138	5.34	0.9473	7.92
PAL4 5.614–622	IGSFEEELK	2.335	0.005	31.2	0.9819	430
PO1.136–149	DGIVSLGGPHIPLK	1.470	0.024	0.549	0.8513	61.3
PO8.113–121	AFEIIEDLR	0.701	0.019	17.3	0.9455	36.4

^a Regression performed using digests times ≤4 hours owing to rapid decay of native peptide.

^b Units are hr⁻¹.

^c Units are fmoles per microgram total protein.