Table 2.

Biological processes classification of differential identified proteins with known identities of sperm functions

Biological processes	Gene name (Accession)
Iron ion binding	ARSA (P15289), CABYR (O7592), CALR (P27797), CRISP2 (P16562), DPEP3 (Q9H4B8), FKBP1A (P62942), HSP90B1 (P14625), HSPA5 (P11021), NDUFS3 (O75489), PHGDH (O43175), RDH16 (O75452), SEMG1 (P04279), VAT1 (Q99536)
Spermatogenesis	ACE (P12821), ACSBG2 (Q5FVE4), ACTR1A (P61163), CCDC136 (Q96JN2-4), CYLC2 (Q14093), HSF2BP (O75031), HSPA2 (P54652), KRT9 (P35527), MNS1 (Q8NEH6), NUP62 (P37198), OAZ3 (Q9UMX2), PAFAH1B3 (Q15102), PGAM2 (P15259), PRDX4 (Q13162), PSMA1 (P25786), PSMA2 (P25787), PSMA3 (P25788), PSMA4 (P25789), PSMA5 (P28066), PSMB1 (P20618), PSMB4 (P28070), PSMB5 (P28074), PSMB7 (Q99436), RAD23B (P54727), ROPN1B (Q9BZX4), RUVBL1 (Q9Y265), SMRP1 (Q8NCR6), SOD1 (P00441), SPA17 (Q15506), SPANXA1 (Q9NS26), SPATA6 (Q9NWH7), SPEM1 (Q8N4L4), TXNDC2 (Q86VQ3)
Spermatid development	DPY19L2 (Q6NUT2), FSCN3 (Q9NQT6), KLHL10 (Q6JEL2), SPAG6 (O75602-3), SPANXB1 (Q9NS25)
Binding of sperm to zona pellucida	ZPBP1 (Q9BS86), ZPBP2 (Q6X784)
Flagellated sperm motility	CCDC147 (Q5T655), DNALI1 (O14645), DPCD (Q9BVM2), LDHC (P07864), PGK2 (P07205), SMCP (P49901)
Flagellar microtubules	TEKT1 (Q969V4), TEKT2 (Q9UIF3), TEKT3 (Q9BXF9), TEKT4 (Q8WW24), TEKT5 (Q96M29)
Serine-type endopeptidase inhibitor activity	SLPI (P03973), SPINT3 (P49223), WFDC8 (Q8IUA0)
Serine-type peptidase activity	CTSG (P08311), PPP4R1 (Q8TF05), PREP (P48147), PRSS37 (A4D1T9), PRTN3 (U3KPS2)
Sperm capacitation or acrosome reactions	ACR (P10323), ACRBP (Q8NEB7), AKAP3 (O75969), BSPH1 (Q075Z2), C9orf9 (Q96E40), ELSPBP1 (Q96BH3), PRKACA (P17612), SEPT4 (O43236), TCP11 (Q8WWU5)
Mitochondrial	ATP5D (P30049), ATP5H (O75947), ATP5 J (P18859), C21orf33 (P30042), COX4I1 (P13073), COX5B (P10606), COX6B1 (P14854), CYCS (C9JFR7), FSIP2 (Q5CZC0), IMMT (Q16891-4), MPC1L (P0DKB6), MRPS36 (P82909), NDUFA4 (O00483), PHB2 (J3KPX7), VAT1 (Q99536), VDAC3 (Q9Y277)
Other	CCDC108 (Q6ZU64), GNPDA1 (P46926), MRPS36 (P82909), NAMPT (P43490), PATE1 (Q8WXA2), PATE4 (P0C8F1), PGK1 (P00558), PMFBP1 (Q8TBY8-2), SEPHS1 (P49903), STOM (P27105), TSGA10 (Q9BZW7)