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. 2008 Apr 4;283(14):9414–9423. doi: 10.1074/jbc.M705026200

TABLE 2.

Heme contacts in HbIILp-O2 structure

Residue 1
Atom
Residue 2
Atom
Distance (Å)
Chain A Chain B
HEM O1A Arg100 NH2 2.71 2.52
W6/W7 O 2.62 2.57
O2A Arg100 NH1 2.98 2.88
Arg100 NH2 3.47 3.34
W9/W2 O 2.59 2.63
O1D Lys92 a NZ 2.63 2.72
W43/W5 O 2.64 2.67
O2D W8/W3 O 2.62 2.66
W34/W5 O 2.59 3.41
W43/33 O 3.42 2.62
W57/139 O 2.96 2.98
Fe His97 NE2 2.08 2.04
Oxy O1 2.94 2.85
Oxy O2 2.11 1.69
Tyr30 OH Gln65 NE2 3.00 3.07
Oxy O1 1.94 1.78
Oxy O2 2.99 2.95
His97 ND1 Met93 O 2.98 2.79
W9/W2 O 3.45 3.41
Q65A OE1 Lys92a NZ 2.73 2.66
NE2 Tyr30 OH 3.00 3.07
Oxy O1 3.02 3.04
Oxy O2 3.43 3.51
a

Marked contacts are inter-polypeptides chains.