Structure of PDB 8qxs Chain B

Receptor sequence

>8qxsB (length=524) Species: 469008 (Escherichia coli BL21(DE3))

AAKDVKFGNDARVKMLRGVNVLADAVKVTLGPKGRNVVLDKSFGAPTITK
DGVSVAREIELEDKFENMGAQMVKEVASKANDAAGDGTTTATVLAQAIIT
EGLKAVAAGMNPMDLKRGIDKAVTAAVEELKALSVPCSDSKAIAQVGTIS
ANSDETVGKLIAEAMDKVGKEGVITVEDGTGLQDELDVVEGMQFDRGYLS
PYFINKPETGAVELESPFILLADKKISNIREMLPVLEAVAKAGKPLLIIA
EDVEGEALATLVVNTMRGIVKVAAVKAPGFGDRRKAMLQDIATLTGGTVI
SEEIGMELEKATLEDLGQAKRVVINKDTTTIIDGVGEEAAIQGRVAQIRQ
QIEEATSDYDREKLQERVAKLAGGVAVIKVGAATEVEMKEKKARVEDALH
ATRAAVEEGVVAGGGVALIRVASKLADLRGQNEDQNVGIKVALRAMEAPL
RQIVLNCGEEPSVVANTVKGGDGNYGYNAATEEYGNMIDMGILDPTKVTR
SALQYAASVAGLMITTECMVTDLP

3D structure

• PDB: 8qxs Visualizing chaperonin function in situ by cryo-electron tomography
• Chain: B
• Resolution: 3.12 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	ADP	B	L31 G32 D87 G88 T90 G415 N479 A480 I493 D495	L30 G31 D86 G87 T89 G414 N478 A479 I492 D494
BS02	BEF	B	D52 T89 T90	D51 T88 T89

Gene Ontology

Molecular Function

• GO:0000287 magnesium ion binding
• GO:0005515 protein binding
• GO:0005524 ATP binding
• GO:0016853 isomerase activity
• GO:0016887 ATP hydrolysis activity
• GO:0042802 identical protein binding
• GO:0051082 unfolded protein binding

Biological Process

• GO:0006457 protein folding
• GO:0009314 response to radiation
• GO:0009408 response to heat
• GO:0019068 virion assembly
• GO:0042026 protein refolding
• GO:0051085 chaperone cofactor-dependent protein refolding

Cellular Component

• GO:0005737 cytoplasm
• GO:0005829 cytosol
• GO:0016020 membrane
• GO:1990220 GroEL-GroES complex

External links

• PDB: RCSB:8qxs, PDBe:8qxs, PDBj:8qxs
• PDBsum: 8qxs
• PubMed: 39169181
• UniProt: P0A6F5|CH60_ECOLI Chaperonin GroEL (Gene Name=groEL)