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Basic
Data Source
Source ID or Accession Help: Text searches
Name
Antigen Kabat sequences only
Clone EMBL format sequence sources only
Reference
Author
Publication Year
Organism
Exclude sequences
without key cysteines
Exclude sequences
with warnings
Exclude unclassified
sequences
Exclude unpaired
sequences
Exclude un-numbered
sequences
Sequence
Heavy Chain
Search for chosen motifs within complete sequences
Contains/Regex
Search for chosen motifs within specific regions
Region Definition
Region Contains/Regex
HFR1
CDR-H1
HFR2
CDR-H2
HFR3
CDR-H3
HFR4
Specify minimum and maximum lengths for regions
Region Definition
Region Minimum Maximum
HFR1
CDR-H1
HFR2
CDR-H2
HFR3
CDR-H3
HFR4
Constrain amino acids at required positions
Numbering Scheme
Required Position Constraint Amino Acids
 
Light Chain
Search for chosen motifs within complete sequences
Contains/Regex
Search for chosen motifs within specific regions
Region Definition
Region Contains/Regex
LFR1
CDR-L1
LFR2
CDR-L2
LFR3
CDR-L3
LFR4
Specify minimum and maximum lengths for regions
Region Definition
Region Minimum Maximum
LFR1
CDR-L1
LFR2
CDR-L2
LFR3
CDR-L3
LFR4
Constrain amino acids at required positions
Numbering Scheme
Required Position Constraint Amino Acids
 
Structure
Heavy Chain
Sequences with a predicted canonical class
Match
Region Method Canonical Class
CDR-H1
CDR-H2
Residues within X Ångströms 3D structures only
Distance Measure
Chothia Position Constraint Amino Acids Distance (Å)
 
Residues predicted within X Ångströms; All sequences
Distance Measure
C-alpha
Chothia Position Constraint Amino Acids Distance (Å) Plus nσ
 
Light Chain
Sequences with a predicted canonical class
Match
Region Method Canonical Class
CDR-L1
CDR-L2
CDR-L3
Residues within X Ångströms 3D structures only
Distance Measure
Chothia Position Constraint Amino Acids Distance (Å)
 
Residues predicted within X Ångströms; All sequences
Distance Measure
C-alpha
Chothia Position Constraint Amino Acids Distance (Å) Plus nσ
 
Restrict to Antibody Class
Heavy Chain
Light Chain

Advanced Display Options

Amino Acids: Selected positions
Numbering Scheme
Chain Position
 
Regions: Sequence and Length
Region Definition
Region Sequence Length
HFR1
CDR-H1
HFR2
CDR-H2
HFR3
CDR-H3
HFR4

LFR1
CDR-L1
LFR2
CDR-L2
LFR3
CDR-L3
LFR4

Environment of selected positions (known structures only)
Distance Measure
Chain Chothia Position Display Distance (A)
 
Environment of selected positions using distance distributions.
Distance Measure
C-alpha
Chain Chothia Position Display Distance (A) Plus nσ
 

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