Data Item _entity_poly.pdbx_seq_one_letter_code_sample


Item name
Category name
Attribute name
Required in PDB entries
Used in currrent PDB entries

Item Description

For cases in which the sample and model sequence differ this item contains the sample chemical sequence expressed as string of one-letter amino acid codes. Modified may be include as 'X' or with their 3-letter codes in parentheses.

Item Example

A  for alanine or adenine
B  for ambiguous asparagine/aspartic-acid
R  for arginine
N  for asparagine
D  for aspartic-acid
C  for cysteine or cystine or cytosine
Q  for glutamine
E  for glutamic-acid
Z  for ambiguous glutamine/glutamic acid
G  for glycine or guanine
H  for histidine
I  for isoleucine
L  for leucine
K  for lysine
M  for methionine
F  for phenylalanine
P  for proline
S  for serine
T  for threonine or thymine
W  for tryptophan
Y  for tyrosine
V  for valine
U  for uracil
O  for water
X  for other

Data Type

Data type code
Data type detail
text item types / multi-line text ...
Primitive data type code
Regular expression
[][ \n\t()_,.;:"&<>/\{}'`~!@#$%?+=*A-Za-z0-9|^-]*