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Figure 6.
Figure 6. Comparison of Ins(1,3,4,5)P[4] Recognition by the
Grp1 and Btk PH Domains(A) Space-filling representation with
invariant residues of the signature motif shown in white and
nonconserved residues from the three SDRs highlighted in green
(β1/β2 loop), magenta (β3/β4 loop), and orange (hairpin
insertion).(B) Schematic diagram showing direct interactions
with the head group. Residues in the signature motif are
indicated in blue.
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