Structure of PDB 6zyt Chain DDD Binding Site BS01

Receptor Information
>6zyt Chain DDD (length=112) Species: 1895 (Streptomyces avidinii) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
AGITGTWYNQSGSTFTVTAGADGNLTGQYENRAQGTGCQNSPYTLTGRYN
GTKLEWRVEWNNSTENCHSRTEWRGQYQGGAEARINTQWNLTYEGGSGPA
TEQGQDTFTKVK
Ligand information
Ligand IDUJE
InChIInChI=1S/C14H24N4O2S/c19-12(16-9-5-6-15-7-9)4-2-1-3-11-13-10(8-21-11)17-14(20)18-13/h9-11,13,15H,1-8H2,(H,16,19)(H2,17,18,20)/t9-,10-,11-,13-/m0/s1
InChIKeyQSMYOZNFIUDGEL-ZPFDUUQYSA-N
SMILES
SoftwareSMILES
CACTVS 3.385O=C(CCCC[CH]1SC[CH]2NC(=O)N[CH]12)N[CH]3CCNC3
OpenEye OEToolkits 2.0.7C1CNCC1NC(=O)CCCCC2C3C(CS2)NC(=O)N3
OpenEye OEToolkits 2.0.7C1CNC[C@H]1NC(=O)CCCC[C@H]2[C@@H]3[C@H](CS2)NC(=O)N3
CACTVS 3.385O=C(CCCC[C@@H]1SC[C@@H]2NC(=O)N[C@H]12)N[C@H]3CCNC3
FormulaC14 H24 N4 O2 S
Name5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)-N-((S)-pyrrolidin-3-yl)pentanamide;
5-[(3~{a}~{S},4~{S},6~{a}~{R})-2-oxidanylidene-1,3,3~{a},4,6,6~{a}-hexahydrothieno[3,4-d]imidazol-4-yl]-~{N}-[(3~{S})-pyrrolidin-3-yl]pentanamide
ChEMBL
DrugBank
ZINC
PDB chain6zyt Chain DDD Residue 201 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB6zyt The role of streptavidin and its variants in catalysis by biotinylated secondary amines.
Resolution1.8 Å
Binding residue
(original residue number in PDB)		N34 S38 Y54 N56 G62 W85 S94 T96 W114 Y118
Binding residue
(residue number reindexed from 1)		N9 S13 Y29 N31 G37 W60 S69 T71 W89 Y93
Annotation score1
Gene Ontology
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UnboundLocalError		Python 3.6.8: /usr/bin/python3
Fri Apr 18 11:44:19 2025

A problem occurred in a Python script. Here is the sequence of function calls leading up to the error, in the order they occurred.

 /var/www/html/BioLiP/pdb.cgi in <module>()
   1435     title=pdb2title(pdbid)
   1436     if bs.startswith("BS"):
=> 1437         pubmed,uniprot=display_interaction(pdbid,asym_id,bs,title)
   1438     else:
   1439         if lig3:
pubmed = '', uniprot = '', display_interaction = <function display_interaction>, pdbid = '6zyt', asym_id = 'DDD', bs = 'BS01', title = 'The role of streptavidin and its variants in catalysis by biotinylated secondary amines.'
 /var/www/html/BioLiP/pdb.cgi in display_interaction(pdbid='6zyt', asym_id='DDD', bs='BS01', title='The role of streptavidin and its variants in catalysis by biotinylated secondary amines.')
   1295         display_ec(ec,csaOrig,csaRenu)
   1296     if go:
=> 1297         display_go(go,uniprot,pdbid,asym_id)
   1298     return pubmed,uniprot
   1299 
global display_go = <function display_go>, go = '0009374', uniprot = '', pdbid = '6zyt', asym_id = 'DDD'
 /var/www/html/BioLiP/pdb.cgi in display_go(go='0009374', uniprot='', pdbid='6zyt', asym_id='DDD')
    480         '''.replace("$namespace_link",namespace_link
    481           ).replace("$namespace",namespace
=>  482           ).replace("$uniprot",u
    483         ))
    484         for l,(term,name) in enumerate(go2aspect[Aspect]):
u undefined

UnboundLocalError: local variable 'u' referenced before assignment
      args = ("local variable 'u' referenced before assignment",)
      with_traceback = <built-in method with_traceback of UnboundLocalError object>