Table 2.

Histone phosphorylation sites detected in Kasumi-1 cells identified by hierarchical data analysis.

H1 isoform	Peptide Sequence	Exp. Mass		calc. Mass	Ref
H1.2,H1.3,H1.4	34KApSGPPVSELITK46	1406.7270	(+3)	1406.7291	[3, 75, 76]
	34KApSGPPVSELITK46	1406.7272	(+2)	1406.7291
	33RKApSGPPVSELITK46	1562.8277	(+3)	1562.8302
H1.2	2SEpTAPAAPAAAPPAEK17 or 2pSETAPAAPAAAPPAEK17	1558.7200	(+2)	1558.7149	[3, 76]
H1.3	Ac2SETAPLAPTIPAPAEKpTPVK21	2140.0970	(+2)	2140.0937	[3]
	Ac2SETAPLAPTIPAPAEKpTPVKK22	2268.1981	(+3)	2268.1887
	Ac2SETAPLAPTIPAPAEKpTPVKKK23	2396.3062	(+3)	2396.2837
H1.4	Ac2SETAPAAPAAPAPAEKpTPVK21	2026.0060	(+2)	2025.9893	[3, 75, 76]
	Ac2SEpTAPAAPAAPAPAEKpTPVK21 or Ac2pSETAPAAPAAPAPAEKpTPVK21	2063.9547	(+2)	2063.9450
	Ac2SETAPAAPAAPAPAEKpTPVKK22	2154.0865	(+2)	2154.0842
	Ac2SETAPAAPAAPAPAEKpTPVKKK23	2282.1954	(+3)	2282.1792
	Ac2SEpTAPAAPAAPAPAEKpTPVKKK23	2362.1631	(+3)	2362.1455
	2SETAPAAPAAPAPAEKpTPVKK22	2112.0893	(+3)	2112.0737
	2SETAPAAPAAPAPAEKpTPVKKK23	2240.1874	(+3)	2240.1686
H1.5	Ac2pSETAPAETATPAPVEK17 or Ac2SEpTAPAETATPAPVEK17	1720.7782	(+2)	1720.7677	[3]
	Ac2SETAPAETATPAPVEKpSPAK21	2103.9844	(+2)	2103.9846	[3, 77]
		2104.9895	(+3)	2104.9880a
	2SETAPAETATPAPVEKpSPAKK22	2190.0738	(+3)	2190.0690
	2SETAPAETATPAPVEKpSPAK21	2061.9744	(+2)	2061.9740
	Ac2SETAPAETApTPAPVEKpSPAK21	2183.9683	(+2)	2183.9509
	Ac2SEpTAPAETATPAPVEKpSPAK21or Ac2SETAPAETATPAPVEKpSPAK21	2183.9515	(+2)	2183.9509
	Ac2SETAPAETATPAPVEKpSPAKK22 or Ac2SETAPAETApTPAPVEKSPAKK22	2232.0800	(+2)	2232.0795
	Ac2SETAPAETATPAPVEKpSPAKKK23	2360.1731	(+3)	2360.1754
	2SETAPAEpTATPAPVEKpSPAKK22 or 2SEpTAPAETATPAPVEKpSPAKK22	2270.0358	(+4)	2270.0353	[3]
	Ac2pSETAPAETATPAPVEKpSPAKK22 or Ac2SEpTAPAETATPAPVEKpSPAKK22	2312.0614	(+3)	2312.0459
	Ac2pSETAPAETATPAPVEKpSPAKKK23 or Ac2SEpTAPAETATPAPVEKpSPAKKK23	2440.1457	(+3)	2440.1408
H1.x	Ac2pSVELEEALPVTTAEGMAK19	1996.9308	(+2)	1996.9185	N/A