| S. no | Name of protein | Mol. Wt. (kDa) | pI | Role in crystallization (I: inhibiter/P: promoter) | References | Nucleation | Growth | Aggregation | Adhesion |
| 1 | Nephrocalcin (NC) | 14 | 4.5–6.0 | I | I | I | — | [95, 98, 116] | 2 | Tamm-Horsfall Protein (THP) | 87 | 4.8 | P | — | I/P | — | [45, 46, 79, 80, 117–121] | 3 | Osteopontin/Uropontin (OPN) | 42–80 | 3.5 | I | I | I | I/P | [80, 120–124] | 4 | Albumin | 66.5 | 4.8 | P | — | I | — | [80, 118, 120, 121, 125–127] | 5 | Urinary prothrombin fragment 1 (UPTF1) | 31 | 5.0–5.4 | I | I | I | — | [80, 123, 128–131] | 6 | Alpha-1-microglobulin | 26 | 4.2 | — | — | I | — | [126, 132] | 7 | Calgranulin | | | | | | | | S100A8 | A-10.9 | A-6.5 | — | I | I | — | [80, 120, 121, 133–135] | S100A9 | B-13.2 | B-5.7 | S100A10 | C-10.6 | C-5.8 | 8 | Inter-alpha-inhibitor IαI | Heterotrimer 180–240 | 5.95 | I | I | I | I | [136–138] | 9 | Bikunin | 39 | 2.1 | I | I | I | I | [139–141] | 10 | Renal lithostathine | 23 | 4.2 | — | I (CaCO3) | — | — | [117, 142–144] | 11 | α-Defensin | 10.2 | 6.5 | — | P | P | — | [121, 134] | 12 | Human phosphate cytidylyltransferase 1, choline, beta | 42 | 6.3 | — | I | — | — | [145, 146] | 13 | Myeloperoxidase | 83.9 | 9.19 | — | P | P | — | [120, 121, 134] | 14 | Nucleolin | 76 | 4.39 | — | — | — | P | [120, 147] | 15 | Histone-lysine N methyltransferase | 53 | 9.9 | — | I | I | — | [148] | 16 | Inward rectifier K channel | 44 | 5.84 | — | I | I | — | [148] | 17 | Protein Wnt-2 | 42 | 9.06 | — | I | I | — | [148] | 18 | Alpha-2HS glycoprotein | 50 | 5.43 | P | I | — | — | [120, 121, 123] | 19 | Crystal adhesion inhibitor (CAI) | 39 | | — | — | — | I | [149] | 20 | Hyaluronic acid (HA) | 50–800 | 8.6 | — | — | — | P | [150–152] | 21 | Chondroitin sulphate (CS) | 50 | | — | I | I | — | [66] | 22 | Heparin sulphate (HS) | 16 | | — | I | — | — | [65, 66] | 23 | Human urinary trefoil factor 1 | 13.2 | | — | I | — | — | [153, 154] | 24 | Monocyte chemoattractant protein-1 (MCP 1) | 5–20 | | — | — | — | P | [155, 156] | 25 | Annexin II | 37 | | — | — | — | P | [157] | 26 | CD44 | 81.5 | 5.13 | — | — | — | P | [151, 152] | 27 | Matrix Gla Protein (MGP) | 10.6 | | — | I | — | I | [158–162] | 28 | Histone H1B | 62 | 11.03 | — | P | — | — | [163] | 29 | Fibronectin | 230 | 5.39 | — | — | I | I | [51, 68, 69] | 30 | Collagen | 180 | 4.7–7.7 | P | — | — | — | [121] |
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