Table 4.
Glycerol backbone configuration of phospholipids in crystals of soluble proteinsa
| Lipidb | Proteinb | θ1–θ2(°) | θ3–θ4(°) | θ4/θ2 | θ3/θ1 |
| GEL 930,935 | cobra PLA2 | −126 ± 5 | 122 ± 7 | sc,−sc/ap | (t,g+)g+ |
| GEL 420 | bee PLA2 | −125 | 126 | sc/ap | tg+ |
| GEL 930,935 | synovial PLA2 | −120 ± 3 | 116 ± 2 | sc/ap | tg+ |
| GEL 150 | pancreas PLA2 | −173 | 173 | sc/ap | s−c |
| INB 202,204,206 | synovial PLA2 | −124 ± 2 | 125 ± 1 | sc/ap | tg+ |
| INB 203,205 | synovial PLA2 | −124 ± 1 | 125 ± 3 | ac/ap | s−g+ |
| INB 201 | synovial PLA2 | −124 | 131 | ac/−ac | s−g+ |
| DGH 126(A,B) | pancreas PLA2 | −124 ± 6 | 125 ± 6 | sc/ap | tg+ |
| PC2 501 | rat PI-TPα | +108 | −112 | sc/ap | g−g− |
| PC2 577 | human bpip | −136 | 132 | ac/−sc | g−s+ |
| PC2 578 | human bpip | − | 121 | ac/− | s−− |
| PLC 601 | Th. lanuginosa lipase | −133 | 131 | sp/sc | ts− |
| PLC 701,801 | Th. lanuginosa lipase | −126 | 127 ± 1 | sc/sc | tg− |
| PLC 1 | human pancreatic lipase | −130 | 130 | ac/sc | g−g− |
| DLP 2313 | human PC-TP | −131 | 130 | sc/−sc | ts+ |
| CPL 300,301 | human PC-TP | −127 ± 1 | 126 ± 1 | sc/−ac | ts+ |
| LIO 999,1999 | Ac 1,2-CTD | −131 | 129 | −ac/−ac | cs+ |
| PEH 300 | human saposin B | −122 | 135 | sp/−ac | ts+ |
| EPH 4000 | H. virescens USP | −119 | 120 | sc/−sc | tt |
| PTY 606,607 | human rsEPCR | −118 ± 1 | 119 | sc/−sc | tt |
| DGG 406(A) | A. eutrophus FHP | −125 | 132 | sc/ac | tc |
| DGG 406(B) | A. eutrophus FHP | 122 | −133 | sc/ap | g−g− |
a Enantiomeric configuration is specified by the relative signs of θ1 and θ2, or of θ3 and θ4. θ4/θ2 gives the relative orientation of the sn-1 and sn-2 chains, and θ3/θ1 specifies the glycerol backbone conformation (see Pascher et al. 1992).
b Nomenclature as defined in Tables 1 to 3.