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Summary Geometry Related PDB entries

Obsolete: IPS

IPS was replaced with PO4 on

Bonds

First atom	Second atom	Bond order type	Distance (experimental model)	Distance (ideal model)	Properties
P	O1	doub	1.57Å	1.58Å
P	O2	sing	1.61Å	1.51Å
P	O3	sing	1.57Å	1.56Å
P	O4	sing	1.57Å	1.52Å
O4	HO4	sing	1.57Å	0.95Å

Angles

First atom	Second atom	Third atom	Angle (experimental model)	Angle (ideal model)
O1	P	O2	117.1°	109.5°
O1	P	O3	97.7°	109.5°
O1	P	O4	104.2°	109.5°
O2	P	O3	107.3°	109.4°
O2	P	O4	116.2°	109.5°
O3	P	O4	113.0°	109.5°
P	O4	HO4	104.2°	1.0°

Dihedrals

First atom	Second atom	Third atom	Fourth atom	Torsion (experimental model)	Torsion (ideal model)
O1	P	O2	O3	108.5°	120.0°
O1	P	O2	O4	124.0°	120.0°
O1	P	O3	O4	109.1°	120.0°
O1	P	O4	HO4	180.0°	102.8°
O2	P	O3	O4	129.4°	120.0°
O2	P	O4	HO4	49.6°	17.2°
O3	P	O4	HO4	75.0°	137.2°

246704

PDB entries from 2025-12-24

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