 | Acta Crystallographica Section D Acta Crystallographica Section D BIOLOGICAL CRYSTALLOGRAPHY |
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![[Figure 1]](mn5064fig1mag.jpg)
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Figure 1
(a) The CPHPC-bound decamer of SAP viewed normal to the fivefold axis and showing the 70 cadmium ions bound (yellow spheres). (b) Removing one pentamer and viewing down the fivefold axis shows a pentagonal string of metal ions trapped within the decamer and peripheral sites. (c) Cα trace of subunit A with eight cadmium ions, five of which (yellow spheres) form an extended line and become buried in the decamer and three of which (cyan spheres) bind at the periphery. Portions of two adjacent subunits of the pentamer are shown as grey strands. CPHPC is shown with grey C atoms, subunit side chains with green C atoms, acetates in cyan and waters as red spheres. (d) The tentative positioning of one partially ordered sugar chain (green spheres) on the SAP pentamer (yellow strands, red helices). (e) Decamer of SAP with five CPHPC molecules (black) cross-linking pentamers (green strands and red helices) between their metal sites (yellow). |
![[Figure 1]](mn5064fig1.jpg)
| BIOLOGICAL CRYSTALLOGRAPHY |
ISSN: 1399-0047
