![[CIF logo]](https://www.iucr.org/__data/assets/image/0015/131037/CIF_white.png "[CIF home page]")
![[CIF logo]](https://www.iucr.org/__data/assets/image/0003/125499/CIF_v2.5.jpg)
Protein Data Bank exchange dictionary (pdbx) version 1.0521
_pdbx_validate_torsion.phi
Name:'_pdbx_validate_torsion.phi'
Definition:
The Phi value that for the residue that lies outside normal limits
(in combination with the Psi value) with regards to the rammachandran plot
Type: float
Mandatory item: yes
The permitted range is [-180.0, 180.0]
Category: pdbx_validate_torsion
International Tables for Crystallography
Volume G: Definition and exchange of crystallographic data
Edited by S. R. Hall and B. McMahon
![[International Tables Vol. G]](https://www.iucr.org/__data/assets/image/0014/11156/g.gif) |
contents | |
| indexes | ||
| sample pages | ||
| purchase | ||
| CIF dictionaries |
An essential guide and reference to CIF for programmers, data managers handling crystal-structure information and practising crystallographers.
