Structure of PDB 4ucf Chain A

Receptor sequence

>4ucfA (length=682) Species: 883062 (Bifidobacterium bifidum S17)

RRKHSWPQPLKGAESRLWYGGDYNPDQWPEEVWDDDIRLMKKAGVNLVSV
GIFSWAKIEPEEGKYDFDWLDRAIDKLGKAGIAVDLASATASPPMWLTQA
HPEVLWKDERGDTVWPGAREHWRPTSPVFREYALNLCRRMAEHYKGNPYV
VAWHVSNEYGCHNRFDYSDDAMRAFQKWCKKRYKTIDAVNEAWGTAFWAQ
HMNDFSEIIPPRYIGDGNFMNPGKLLDYKRFSSDALKELYIAERDVLESI
TPGLPLTTNFMVSAGGSMLDYDDWGAEVDFVSNDHYFTPGEAHFDEVAYA
ASLMDGISRKEPWFQMEHSTSAVNWRPINYRAEPGSVVRDSLAQVAMGAD
AICYFQWRQSKAGAEKWHSSMVPHAGEDSQIFRDVCELGADLGRLSDEGL
MGTKTVKSKVAVVFDYESQWATEYTANPTQQVDHWTEPLDWFRALADNGI
TADVVPVRSDWDSYEIAVLPCVYLLSEETSRRVREFVANGGKLFVTYYTG
LSDENDHIWLGGYPGSIRDVVGVRVEEFAPMGNDMPGALDHLDLDNGTVA
HDFADVITSTADTSTVLASYKAERWTGMNEVPAIVANGYGDGRTVYVGCR
LGRQGLAKSLPAMLGSMGLGDGRVLRVERADAAAASHFEFVFNRTHEPVT
VDVEGEAIAASLAHVDDGRATIDPTGVVVLRR

3D structure

• PDB: 4ucf Crystal Structure of Beta1-6-Galactosidase from Bifidobacterium Bifidum S17: Trimeric Architecture, Molecular Determinants of the Enzymatic Activity and its Inhibition by Alpha-Galactose.
• Chain: A
• Resolution: 1.94 Å

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	GLA	A	R122 N160 E161 D287 Y289 E320 W328 F358 E368 H371	R119 N157 E158 D284 Y286 E317 W325 F355 E365 H368	MOAD: Ki=5.9mM
BS02	GLA	A	R19 G47 N49	R16 G44 N46	MOAD: Ki=5.9mM

Gene Ontology

--> -->

UnboundLocalError

Python 3.6.8: /usr/bin/python3 Thu Nov 28 00:55:45 2024

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 = '4ucf', asym_id = 'A', title = 'Crystal Structure of Beta1-6-Galactosidase from ... Activity and its Inhibition by Alpha-Galactose. '

 /var/www/html/BioLiP/pdb.cgi in display_protein_receptor(pdbid='4ucf', asym_id='A', title='Crystal Structure of Beta1-6-Galactosidase from ... Activity and its Inhibition by Alpha-Galactose. ')

    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 = '4ucf', asym_id = 'A'

 /var/www/html/BioLiP/pdb.cgi in display_go(go='0004565,0005975,0006012,0009341', uniprot='', pdbid='4ucf', asym_id='A')

    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>