SIA: N-acetyl-alpha-neuraminic acid
  SIA is a Ligand Of Interest in 2C4L designated by the RCSB
   | Best-fitted instance in this entry | 
 | Other instances in this entry | 
   | Best-fitted instance in this entry     | 
 | Best-fitted PDB instances with same target (top 5) | 
  | Best-fitted instance in this entry     | 
 | Best-fitted PDB instances with different target (top 5) | 
| Identifier | Ranking for goodness of fit  | Ranking for geometry  | Real space R factor  | Real space correlation coefficient  | RMSZ-bond-length  | RMSZ-bond-angle | Outliers of bond length  | Outliers of bond angle  | Atomic clashes | Stereochemical errors | Model completeness | Average occupancy | 
 | 2C4L_SIA_A_1469   | 40%      | 20%    | 0.159   | 0.869 | 1.47  | 1.92   | 2  | 6 | 0 | 0 | 100% | 1 | 
| 2C4L_SIA_A_1470   | 1%      | 32%    | 0.339   | 0.534    | 1.12  | 1.58   | 2  | 6 | 0 | 0 | 100% | 1 | 
| 6HG0_SIA_A_522   | 98%      | 5%    | 0.051   | 0.97 | 3.36  | 1.89   | 6  | 4 | 0 | 0 | 100% | 1 | 
| 2C4A_SIA_A_501   | 96%      | 25%    | 0.054   | 0.961 | 1.19  | 1.84   | 2  | 5 | 0 | 0 | 100% | 1 | 
| 5L18_SIA_A_512   | 84%      | 8%    | 0.085   | 0.947 | 2.95  | 1.7   | 8  | 6 | 0 | 0 | 100% | 1 | 
| 1YAJ_SIA_H_882   | 100%      | 42%    | 0.03   | 0.993 | 1.09  | 1.15   | 2  | 3 | 2 | 0 | 100% | 1 | 
| 2HRQ_SIA_E_5603   | 100%      | 43%    | 0.037   | 0.992 | 0.99  | 1.22   | 1  | 3 | 8 | 0 | 100% | 1 | 
| 4QN5_SIA_A_604   | 97%      | 44%    | 0.059   | 0.972 | 0.9  | 1.24   | 1  | 4 | 0 | 0 | 100% | 1 | 
| 9DKU_SIA_A_401   | 95%      | 43%    | 0.055   | 0.967 | 0.74  | 1.45   | 2  | 3 | 11 | 0 | 95% | 1 |