Structure of PDB 4uni Chain B

Receptor sequence
>4uniB (length=688) Species: 580050 (Bifidobacterium animalis subsp. lactis Bl-04) [Search protein sequence]
RAHRWPQPLPGNDRKIWFGADYNPDQWPEDVQDEDIRLMKQAGVNIVSLA
IFSWANIETSDGNFEFDWLDRVIDKLYKAGIAVDLASATASPPMWLTSAH
PEVLRRDEQGHVIWPGARQHWRPTSPTFRTYALRLCREMAEHYKDNPAIV
SWHVGNEYGCHNYFDYSDDAVQAFREWCRDRYGTIDKVNAAWGTNFWSQR
LNSFEEILPPRYVGGEGNFTNPGRLLDFKHFCSDALKEFFCAERDVLSEV
TPNIPLTTNFMVSASQNTLDYDDWAHEVDFVSNDHYFTPGSWHIDELAYS
ASLVDGISRKKPWFLMEQSTSAVNWREINPRKEPGELIRDSMLHLAMGAD
AICYFQWRQSRSGAEKFHSAMLPLAGEHSQIYRDVCALGADLDTLSDAGI
LRSKLSKARVAIVQDIQSEWATEHTATPTQHIREWTEPLDWFAAFANRGV
TADVTPIHAQWDTYDAVVIPCVYLFSEEMAERLRTFVRNGGKAFVTYYSA
LADEHDRLHTEGWPGLIGDVVGVRIEEHCPLGTLFPGMLDHLDVSNGTVV
HDLADVIDAIADDTTVLATFEADPATGMDGRAAITVHPYHEGGVAYIAGK
LGRDGISQSLPEICAALGFELDADPRAGDVLRVVREQEDGAIFEFLFNRT
RNTVTADRPAGDMLICSLATDSTDKVTLEPNGVLAFRR
3D structure
PDB4uni A beta 1-6/ beta 1-3 galactosidase from Bifidobacterium animalis subsp. lactis Bl-04 gives insight into sub-specificities of beta-galactoside catabolism within Bifidobacterium.
ChainB
Resolution2.6 Å
3D
structure
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Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 GAL B R125 N163 E164 Y293 E324 W332 F362 E372 H375 R118 N156 E157 Y286 E317 W325 F355 E365 H368
Gene Ontology
--> -->
 
 
UnboundLocalError		Python 3.6.8: /usr/bin/python3
Fri Mar 7 09:11:33 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>()
   1443                 pubmed=display_regular_ligand(pdbid,asym_id,lig3,ligIdx,title)
   1444         else:
=> 1445             pubmed,uniprot=display_protein_receptor(pdbid,asym_id,title)
   1446     
   1447     uniprot_line=''
pubmed = '', uniprot = '', display_protein_receptor = <function display_protein_receptor>, pdbid = '4uni', asym_id = 'B', title = 'A beta 1-6/ beta 1-3 galactosidase from Bifidoba...a-galactoside catabolism within Bifidobacterium. '
 /var/www/html/BioLiP/pdb.cgi in display_protein_receptor(pdbid='4uni', asym_id='B', title='A beta 1-6/ beta 1-3 galactosidase from Bifidoba...a-galactoside catabolism within Bifidobacterium. ')
    839 
    840     if go:
=>  841         display_go(go,uniprot,pdbid,asym_id)
    842     return pubmed,uniprot
    843 
global display_go = <function display_go>, go = '0004565,0005975,0006012,0009341', uniprot = '', pdbid = '4uni', asym_id = 'B'
 /var/www/html/BioLiP/pdb.cgi in display_go(go='0004565,0005975,0006012,0009341', uniprot='', pdbid='4uni', asym_id='B')
    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>