Data Item _chem_comp.type

General

Item name
_chem_comp.type
Category name
chem_comp
Attribute name
type
Required in PDB entries
yes
Used in current PDB entries
Yes, in about 100.0 % of entries
Used in the Chemical Component dictionary
Yes

Item Description

For standard polymer components, the type of the monomer. Note that monomers that will form polymers are of three types: linking monomers, monomers with some type of N-terminal (or 5') cap and monomers with some type of C-terminal (or 3') cap.

Data Type

Data type code
uline
Data type detail
char item types / multi-word items (case insensitive)...
Primitive data type code
uchar
Regular expression
[][ \t_(),.;:"&<>/\{}'`~!@#$%?+=*A-Za-z0-9|^-]*

Controlled Vocabulary

Allowed Value Details
D-beta-peptide, C-gamma linking Iso-peptide linking D-beta peptide
D-gamma-peptide, C-delta linking Iso-peptide linking D-gamma peptide
D-peptide COOH carboxy terminus
D-peptide NH3 amino terminus
D-peptide linking
D-saccharide
D-saccharide 1,4 and 1,4 linking
D-saccharide 1,4 and 1,6 linking
D-saccharide, alpha linking
D-saccharide, beta linking
DNA OH 3 prime terminus
DNA OH 5 prime terminus
DNA linking
L-DNA linking
L-RNA linking
L-beta-peptide, C-gamma linking Iso-peptide linking L-beta peptide
L-gamma-peptide, C-delta linking Iso-peptide linking L-gamma peptide
L-peptide COOH carboxy terminus
L-peptide NH3 amino terminus
L-peptide linking
L-saccharide
L-saccharide 1,4 and 1,4 linking
L-saccharide 1,4 and 1,6 linking
L-saccharide, alpha linking
L-saccharide, beta linking
RNA OH 3 prime terminus
RNA OH 5 prime terminus
RNA linking
non-polymer
other
peptide linking
peptide-like
saccharide

Controlled Vocabulary at Deposition

Allowed Value Details
D-beta-peptide, C-gamma linking Iso-peptide linking D-beta peptide
D-gamma-peptide, C-delta linking Iso-peptide linking D-gamma peptide
D-peptide COOH carboxy terminus
D-peptide NH3 amino terminus
D-peptide linking
D-saccharide
D-saccharide 1,4 and 1,4 linking
D-saccharide 1,4 and 1,6 linking
D-saccharide, alpha linking
D-saccharide, beta linking
DNA OH 3 prime terminus
DNA OH 5 prime terminus
DNA linking
L-DNA linking
L-RNA linking
L-beta-peptide, C-gamma linking Iso-peptide linking L-beta peptide
L-gamma-peptide, C-delta linking Iso-peptide linking L-gamma peptide
L-peptide COOH carboxy terminus
L-peptide NH3 amino terminus
L-peptide linking
L-saccharide
L-saccharide 1,4 and 1,4 linking
L-saccharide 1,4 and 1,6 linking
L-saccharide, alpha linking
L-saccharide, beta linking
RNA OH 3 prime terminus
RNA OH 5 prime terminus
RNA linking
non-polymer
other
peptide linking
peptide-like
saccharide