Table II. Sets of N-glycosylation sitesa whose spacing and glycan dynamics allow trimeric interaction with a trimeric SP-D. aAsn144 was excluded from the analysis as it was found to have both low site occupancy and a mature glycoform distribution.
| Sets of N-glycan sites (protomer number) | ||
|---|---|---|
| Site 1 | Site 2 | Site 3 |
| Asn165(1) | Asn126(1) | Asn63(3) |
| Asn246(1) | Asn126(3) | |
| Asn165(2) | Asn165(3) | Asn63(1) |
| Asn63(2) | Asn126(3) | |
| Asn165(3) | Asn63(1) | Asn126(2) |
| Asn246(1) | Asn126(2) | Asn126(3) |
| Asn165(2) | Asn126(3) | |
| Asn165(3) | ||
| Asn246(3) | ||
| Asn165(3) | Asn126(2) | |
| Asn126(3) | ||
| Asn246(2) | Asn126(1) | |
| Asn63(1) | Asn126(2) | |
| Asn246(2) | Asn126(2) | Asn165(3) |
| Asn246(3) | ||
| Asn63(1) | ||
| Asn246(3) | Asn126(2) | Asn63(1) |
| Asn63(2) | ||
| Asn126(2) | Asn63(1) | Asn63(2) |
| Asn63(2) | Asn126(3) | |