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BioLiP

Structure of PDB 6l4u Chain 15 Binding Site BS06

Receptor Information

>6l4u Chain 15 (length=211) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]

KAELEAIAKKANPTLGYYDPLSLADKDFWGKGNDATIAFLRQSEIKHGRI
AMFAFVGYIVQSNFVFPWAQTLAGAPHPSADLSPEAQWDAIPLGAKWQIF
AVISALELWDECGGGGVLPHYTKGRKPGQYPPFTLFRDNVHFVLDLYDPF
GFNKNMSEETKERRLVSELNNGRLAMLGIFGFLCADTIPGSVPLLNDIAI
PYSGQVMQPFE

Ligand information

Ligand ID

CLA

InChI

InChI=1S/C55H73N4O5.Mg/c1-13-39-35(8)42-28-44-37(10)41(24-25-48(60)64-27-26-34(7)23-17-22-33(6)21-16-20-32(5)19-15-18-31(3)4)52(58-44)50-51(55(62)63-12)54(61)49-38(11)45(59-53(49)50)30-47-40(14-2)36(9)43(57-47)29-46(39)56-42;/h13,26,28-33,37,41,51H,1,14-25,27H2,2-12H3,(H-,56,57,58,59,61);/q-1;+2/p-1/b34-26+;/t32-,33-,37+,41+,51-;/m1./s1

InChIKey

ATNHDLDRLWWWCB-AENOIHSZSA-M

SMILES

Software	SMILES
OpenEye OEToolkits 2.0.7	CCC1=C(C2=Cc3c(c(c4n3[Mg]56[N]2=C1C=C7N5C8=C(C(C(=O)C8=C7C)C(=O)OC)C9=[N]6C(=C4)C(C9CCC(=O)OCC=C(C)CCCC(C)CCCC(C)CCCC(C)C)C)C)C=C)C
CACTVS 3.385	CCC1=C(C)C2=Cc3n4[Mg][N]5C(=CC1=N2)C(=C6C(=O)[CH](C(=O)OC)C(=C56)C7=NC(=Cc4c(C)c3C=C)[CH](C)[CH]7CCC(=O)OCC=C(C)CCC[CH](C)CCC[CH](C)CCCC(C)C)C
ACDLabs 12.01	O=C(OC)C1C(=O)C2=C(C)C3=CC=4C(CC)=C(C)C5=Cc6c(C=C)c(C)c7C=C8C(C)C(CCC(=O)OC\C=C(/C)CCCC(C)CCCC(C)CCCC(C)C)C=9C1=C2N3[Mg](n76)(N5=4)N8=9
OpenEye OEToolkits 2.0.7	CCC1=C(C2=Cc3c(c(c4n3[Mg]56[N]2=C1C=C7N5C8=C([C@H](C(=O)C8=C7C)C(=O)OC)C9=[N]6C(=C4)[C@H]([C@@H]9CCC(=O)OC/C=C(\C)/CCC[C@H](C)CCC[C@H](C)CCCC(C)C)C)C)C=C)C
CACTVS 3.385	CCC1=C(C)C2=Cc3n4[Mg][N@@]5C(=CC1=N2)C(=C6C(=O)[C@H](C(=O)OC)C(=C56)C7=NC(=Cc4c(C)c3C=C)[C@@H](C)[C@@H]7CCC(=O)OC\C=C(/C)CCC[C@H](C)CCC[C@H](C)CCCC(C)C)C

Formula

C55 H72 Mg N4 O5

Name

CHLOROPHYLL A

PDB chain

6l4u Chain 15 Residue 307 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]

Receptor-Ligand Complex Structure

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Structure summary

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PDB	6l4u Structure of photosystem I-light-harvesting supercomplex from a red-lineage diatom
Resolution	2.4 Å
Binding residue (original residue number in PDB)	F100 S104 K107 H108 I111 F161 I164 S165 E168 E172
Binding residue (residue number reindexed from 1)	F39 S43 K46 H47 I50 F100 I103 S104 E107 E111
Annotation score	4

Gene Ontology

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UnboundLocalError

Python 3.6.8: /usr/bin/python3
Tue May 13 04:25:25 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>()

1701 title=pdb2title(pdbid)

1702 if bs.startswith("BS"):

=> 1703 pubmed,uniprot=display_interaction(pdbid,asym_id,bs,title)

1704 else:

1705 if lig3:

pubmed = '', uniprot = '', display_interaction = <function display_interaction>, pdbid = '6l4u', asym_id = '15', bs = 'BS06', title = 'Structure of photosystem I-light-harvesting supercomplex from a red-lineage diatom'

/var/www/html/BioLiP/pdb.cgi in display_interaction(pdbid='6l4u', asym_id='15', bs='BS06', title='Structure of photosystem I-light-harvesting supercomplex from a red-lineage diatom')

1326 display_ec(ec,csaOrig,csaRenu)

1327 if go:

=> 1328 display_go(go,uniprot,pdbid,asym_id)

1329 return pubmed,uniprot

1330

global display_go = <function display_go>, go = '0009765,0016020', uniprot = '', pdbid = '6l4u', asym_id = '15'

/var/www/html/BioLiP/pdb.cgi in display_go(go='0009765,0016020', uniprot='', pdbid='6l4u', asym_id='15')

484 '''.replace("$namespace_link",namespace_link

485 ).replace("$namespace",namespace

=> 486 ).replace("$uniprot",u

487 ))

488 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>