 | Acta Crystallographica Section F Acta Crystallographica Section F STRUCTURAL BIOLOGY COMMUNICATIONS |
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![[Figure 4]](rl5165fig4mag.jpg)
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Figure 4
Superpositions showing the similarity of the two subunits in the structure with PDB code 5vgp. In (a) the alignment is based on the CH3 domains, which share a near-perfect dyad (the r.m.s.d. over 103 Cα atoms is 0.27 Å). The A chain is in magenta and the rotated B chain is in green. The CH2 domains show a misalignment of several angstroms since they do not maintain the CH3 dyad. The 12 side chains in CH3 with distinct rotamers in the two subunits (excluding fully solvated charged side chains) are shown as sticks. A single set of thin lines is used for CH3 side chains that agree. The glycan in this picture is for general location only. In (b) the two CH2 domains are superposed (the r.m.s.d. over 107 Cα atoms is 0.95 Å), showing that the loops (at top and bottom) deviate by about an angstrom. The nine side chains that have different rotamers in the two subunits are shown as sticks. In (c) the two glycans are superposed. The only galactose residue in the structure is at the lower left, where the A-chain glycan (magenta) has one additional saccharide unit. The fucose moieties at the upper left show distinct conformations, as do the glucosamines at the lower right. |
![[Figure 4]](rl5165fig4.jpg)
| STRUCTURAL BIOLOGY COMMUNICATIONS |
ISSN: 2053-230X
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