Table 2.

PCNA interaction proteins in the networks.

PRPF19	Pre-mRNA processing factor 19	76_KALQDEWDAV_85	KA-box
XRCC5	X-ray repair cross-complementing protein 5	547_QVTAQEIF_554	PIP-box
NASP	Nuclear autoantigenic sperm protein	327_KAVLEQLV_334 572_QLNLCSQF_565	PIP-box KA-box
POLA1	DNA polymerase	361_QPGVVFLF_368 1251_QFRVHHY_1257	2x PIP
KIF15	Isoform 2 of Kinesin-like protein	301_QTPPESF_307 322_QEAMLFF_328 475_QKEPCLF_481	3x PIP
RRM1	Ribonucleoside-diphosphate reductase large subunit	506_QGLADAF_512	PIP-box

Note: KA-box: K-A-(A/L/I)-(A/L/Q)-x-x-(L/V); x: any residue; PIP-box: Q-xx-(h)-x-x-(a)-(a); h: moderately hydrophobic residues L, I, M, A, V and P; a: highly hydrophobic aromatic residues F, Y and W.