Structure of PDB 6m32 Chain A Binding Site BS01

Receptor Information

>6m32 Chain A (length=628) Species: 194439 (Chlorobaculum tepidum TLS)

TKWYQIFDTEKLDDEQVVGGHLALLGVLGFIMGIYYISGIQVFPWGAPGF
HDNWFYLTIKPRMVSLGIDTYSTKTADLEAAGARLLGWAAFHFLVGSVLI
FGGWRHWTHNLTNPFTGRCGNFRDFSAKSYKEALGPHAVYMSLLFLGWGI
VMWAILGFAPIPDFQTINSETFMSFVFAVIFFALGIYWWNNPPNAAIHLN
DDMKAAFSVHLTAIGYINIALGCIAFVAFQQPSFAPYYKELDKLVFYLYG
EPFNRVSFNFSGAKEFADFPAYAILPKSGEAFGMARVVTNLIVFNHIICG
VLYVFAGVYHGGQYLLKIQLNGMYNQIKSIWITKGRDQEVQVKILGTVMA
LCFATMLSVYAVIVWNTICELNIFGTNITMSFYWLKPLPIFQWMFADPSI
NDWVMAHVITAGSLFSLIALVRIAFFAHTSPLWDDLGLKKNSYSFPCLGP
VYGGTCGVSIQDQLWFAMLWGIKGLSAVCWYIDGAWIASMMYGVPAADAK
AWDSIAHLHHHYTSGIFYYFWTETVTIFSSSHLSTILMIGHLVWFISFAV
WFEDRGSRLEGADIQTRTIRWLGKKFLNRDVNFRFPVLTISDSKLAGTFL
YFGGTFMLVFLFLANGFYQTNSPLPPPV

Ligand information

• Ligand ID: GS0
• InChI: InChI=1S/C55H75N4O6.Mg/c1-13-39-34(7)41-29-46-48(38(11)60)36(9)43(57-46)27-42-35(8)40(52(58-42)50-51(55(63)64-12)54(62)49-37(10)44(59-53(49)50)28-45(39)56-41)23-24-47(61)65-26-25-33(6)22-16-21-32(5)20-15-19-31(4)18-14-17-30(2)3;/h25,27-32,34-35,39-40,51H,13-24,26H2,1-12H3,(H-,56,57,58,59,60,62);/q-1;+2/p-1/b33-25+;/t31-,32-,34?,35?,39?,40?,51+;/m1./s1
• InChIKey: DSJXIQQMORJERS-NDWDOOJPSA-M
• SMILES:
  OpenEye OEToolkits 2.0.7: CC[C@@H]1[C@H](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(=O)C)C
  CACTVS 3.385: CC[C@@H]1[C@H](C)C2=Cc3n4[Mg][N@]5C(=CC1=N2)C(=C6C(=O)[C@@H](C(=O)OC)C(=C56)C7=NC(=Cc4c(C)c3C(C)=O)[C@@H](C)[C@@H]7CCC(=O)OC\C=C(/C)CCC[C@H](C)CCC[C@H](C)CCCC(C)C)C
  OpenEye OEToolkits 2.0.7: CCC1C(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(=O)C)C
  CACTVS 3.385: CC[CH]1[CH](C)C2=Cc3n4[Mg][N]5C(=CC1=N2)C(=C6C(=O)[CH](C(=O)OC)C(=C56)C7=NC(=Cc4c(C)c3C(C)=O)[CH](C)[CH]7CCC(=O)OCC=C(C)CCC[CH](C)CCC[CH](C)CCCC(C)C)C
• Formula: C55 H74 Mg N4 O6
• Name: Bacteriochlorophyll A isomer
• PDB chain: 6m32 Chain A Residue 801

Receptor-Ligand Complex Structure

Structure summary

• PDB: 6m32 Architecture of the photosynthetic complex from a green sulfur bacterium.
• Resolution: 2.7 Å
• Binding residue (original residue number in PDB): V488 K553 W560 F600 L617 H621 W624 Y681 T685 L688 V689 F692
• Binding residue (residue number reindexed from 1): V408 K473 W480 F520 L537 H541 W544 Y601 T605 L608 V609 F612
• Annotation score: 1

Gene Ontology

Biological Process

• GO:0015979 photosynthesis

Cellular Component

• GO:0009579 thylakoid
• GO:0016020 membrane

External links

• PDB: RCSB:6m32, PDBe:6m32, PDBj:6m32
• PDBsum: 6m32
• PubMed: 33214250
• UniProt: Q8KAY0