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° | BFactor<Atom|Res|Mol|Obj|All> | - |
Set/get the B-factor |
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| | | Command | | Argument | | Datatype | | Default | | Min | | Max | |
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| Format: | | BFactor<Atom|Res|Mol|Obj|All> | Selection, | |
SELECTION | | - | | - |
| - | | |
| | value = BFactor to set | | FLOAT | | - |
| 0.0 | | 999.0 | | |||
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| Python: | | BFactor<Atom|Res|Mol|Obj|All>(selection1,value) resultlist = BFactor<Atom|Res|Mol|Obj|All>(selection1) | | ||||||||||
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| Menu: | | Edit > Renumber
> BFactor Analyze > BFactor | | ||||||||||
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| Related: | | Occup , Prop, Color , ColorPar | | ||||||||||
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| Required: | |  |
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When coloring by B-factor,
a value 0 corresponds to blue (cool, frozen) and 70 to yellow (hot, flexible) by default. Other color schemes can be defined with the
ColorPar command.
Some programs read PDB files and expect special values in the occupancy or B-factor fields. A macro showing how to prepare these file can be found at the
Occupancy command.
Example 1:
BFactorAtom 128
Get the B-factor of atom 128.
Example 2:
BFactorMol B
Get the average B-factor of molecule B.
Example 3:
BFactorRes Lys Arg
Get the average B-factors of all residues named Lys or Arg.
Example 4:
bf = BFactorObj 1crn
Assign the average B-factor of object 1crn to variable 'bf'.
Example 5:
bflist() = BFactorAtom Obj 1crn
Assign the B-factors of all atoms in object 1crn to the list
'bflist'.
Example 6:
BFactorAtom Backbone,30
Set the B-factors of all backbone atoms to 30.