Table 1.

Peptides from which consistently labeled cysteines were detected in at least 3 out of 7 control samples (not stretched, 7 repeats)

Sequence	Protein ID	Position	Region
I116LDELTLCK	K31	1B-70
C42GPCNSYVR	K31	T-42, T-45	tail domain
C42GPCNSYVR	K31	T-42	tail domain
A7VPAFSCVSACGPR	K81-like Capra hircus	H-13, H-17	head domain
A7VPAFSCVSACGPR	K81-like Capra hircus	H-13	head domain
V475GGSILGCK	K81-like Capra hircus	T-69	tail domain
T1CGFSTVGSGFGSR	K83	H-2	head domain
C28CITAAPYR	K83	H-28, H-29	head domain
C28CITAAPYR	K83	H-28	head domain
D272LNMDCIVAEIK	K83	2–4	coil 2
T16FSSCSAVAPK	K85	H-20	head domain
S54VSALGSCGPR	K85	H-61	head domain
D230VDCAYLR	K85	1B-66	coil 1B
D284LNMDCVVAEIK	K85	2–4	coil 2
G449GVACGGLTYSSTAGR	K85	T-24	tail domain
Q162CCESNLEPLFSGYIETLRR	K86	L1-5	linker 1
P119TSCQPAPCR	KAP2.3 var2	22
P119TSCQPAPCR	KAP2.3 var2	27
P119TSCQPAPCR	KAP2.3 var2	22, 27
L37GCGYGCGYGYGSR	KAP6.1	39, 43
L37GCGYGCGYGYGSR	KAP6.1	43
Y20SGSSCGSSFPSNLVYR	KAP13.1	25