| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| Q28106 | Contactin-1; Neural cell surface protein F3; | CNTN1; | NP_776705.1; | 1018 | cow |
| Q3ZBP8 | UPF0235 protein C15orf40 homolog; | NULL | NP_001068854.1; | 126 | cow |
| Q5E9S8 | Uncharacterized protein C15orf41 homolog; | NULL | NP_001015668.1;XP_005211557.1;XP_005211558.1; | 281 | cow |
| Q2M2T9 | Uncharacterized protein C15orf43 homolog; | NULL | NP_001070546.1; | 221 | cow |
| A7YWL5 | UPF0583 protein C15orf59 homolog; | NULL | NP_001098902.1; | 292 | cow |
| P02453 | Collagen alpha-1(I) chain; Alpha-1 type I collagen; | COL1A1; | NP_001029211.1; | 1463 | cow |
| P02465 | Collagen alpha-2(I) chain; Alpha-2 type I collagen; | COL1A2; | NP_776945.1; | 1364 | cow |
| P02459 | Collagen alpha-1(II) chain; Alpha-1 type II collagen; | COL2A1; | NP_001001135.2; | 1487 | cow |
| Q3SYW2 | Complement C2; EC 3.4.21.43; C3/C5 convertase; [Cleaved into: Complement C2b fragment; Complement C2a fragment]; | C2; | NP_001029664.1; | 750 | cow |
| P04258 | Collagen alpha-1(III) chain; | COL3A1; | NULL | 1049 | cow |
| Q2UVX4 | Complement C3; [Cleaved into: Complement C3 beta chain; Complement C3 alpha chain; C3a anaphylatoxin; C3-beta-c (C3bc); Acylation stimulating protein (ASP) (C3adesArg); Complement C3b alpha' chain; Complement C3c alpha' chain fragment 1; Complement C3dg f癷?癸 | C3; | NP_001035559.2; | 1661 | cow |
| Q7SIB2 | Collagen alpha-1(IV) chain; Fragment; | COL4A1; | NULL | 229 | cow |
| Q7SIB3 | Collagen alpha-2(IV) chain; Fragment; | COL4A2; | NULL | 227 | cow |
| Q28084 | Collagen alpha-3(IV) chain; Fragment; | COL4A3; | NULL | 471 | cow |
| Q29442 | Collagen alpha-4(IV) chain; Fragment; | COL4A4; | NULL | 453 | cow |
| P01030 | Complement C4; Fragments; [Cleaved into: Complement C4 alpha chain; C4a anaphylatoxin; Complement C4 gamma chain]; | C4; | NULL | 920 | cow |
| P12082 | Complement C5a anaphylatoxin; | C5; | NULL | 74 | cow |
| Q29RU4 | Complement component C6; | C6; | NP_001039444.1; | 932 | cow |
| Q29RQ1 | Complement component C7; | C7; | NP_001039431.1; | 843 | cow |
| Q3MHN2 | Complement component C9; | C9; | NP_001030441.1; | 548 | cow |
