Alternate locations: Difference between revisions

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The [http://oca.weizmann.ac.il/reports/altLocations.txt Alternate Location Server] of [http://oca.weizmann.ac.il OCA] by [[User:Jaime_Prilusky|Jaime Prilusky]] lists all PDB entries with alternate locations, updated weekly. In February, 2026 '''42%''' of PDB entries had one or more atoms with alternate locations, and this percentage has been stable since 2023.

* '''49.5%''' of '''X-ray crystallography''' entries ~~have~~ alternate locations in May, 2023 (50.4% in August, 2025).

* '''49.5%''' of '''X-ray crystallography''' entries had alternate locations in May, 2023 (50.4% in August, 2025).

**~~Through~~ the year 2000, less than 20% of X-ray entries had alternate locations. Since 2010, about 60% of X-ray entries have alternate locations.

**For entries deposited up to the year 2000, less than 20% of X-ray entries had alternate locations. Since 2010, about 60% of X-ray entries have alternate locations.

**91.2% of those include alternate locations for alpha carbons or phosphorus atoms (backbone atom alternate locations; May 2023). Less than one third of entries had backbone atom alternate locations in X-ray entries deposited through the year 2000. That jumped to nearly 80% for entries deposited 2001-2010, and >95% in subsequently deposited entries.

*Only '''9%''' of '''electron microscopy''' entries ~~have~~ alternate locations (May, 2023; 10% in August, 2025), but 94% of those that do include backbone atom alternate locations.

*Only '''9%''' of '''electron microscopy''' entries had alternate locations in May, 2023 (10% in August, 2025), but 94% of those that do include backbone atom alternate locations.

See also [[Alternate locations of backbones]].

Alternate locations: Difference between revisions

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 The [http://oca.weizmann.ac.il/reports/altLocations.txt Alternate Location Server] of [http://oca.weizmann.ac.il OCA] by [[User:Jaime_Prilusky|Jaime Prilusky]] lists all PDB entries with alternate locations, updated weekly. In February, 2026 '''42%''' of PDB entries had one or more atoms with alternate locations, and this percentage has been stable since 2023.
-* '''49.5%''' of '''X-ray crystallography''' entries have alternate locations in May, 2023 (50.4% in August, 2025).
+* '''49.5%''' of '''X-ray crystallography''' entries had alternate locations in May, 2023 (50.4% in August, 2025).
-**Through the year 2000, less than 20% of X-ray entries had alternate locations. Since 2010, about 60% of X-ray entries have alternate locations.
+**For entries deposited up to the year 2000, less than 20% of X-ray entries had alternate locations. Since 2010, about 60% of X-ray entries have alternate locations.
 **91.2% of those include alternate locations for alpha carbons or phosphorus atoms (backbone atom alternate locations; May 2023). Less than one third of entries had backbone atom alternate locations in X-ray entries deposited through the year 2000. That jumped to nearly 80% for entries deposited 2001-2010, and >95% in subsequently deposited entries.
-*Only '''9%''' of '''electron microscopy''' entries have alternate locations (May, 2023; 10% in August, 2025), but 94% of those that do include backbone atom alternate locations.
+*Only '''9%''' of '''electron microscopy''' entries had alternate locations in May, 2023 (10% in August, 2025), but 94% of those that do include backbone atom alternate locations.
 See also [[Alternate locations of backbones]].