1AON: Asymmetric chaperonin complex GROEL/GROES/(ADP)7

Crystal structure of the asymmetric chaperonin complex GROEL/GROES/(ADP)7. Determined by X-ray diffraction at 3.0 Å resolution. Released 15 Oct 1997.

Method: X-ray diffraction
Resolution: 3.0 Å
Organism: Escherichia coli
Chains: 21
Atoms: 58,870
Mol. weight: 877.61 kDa
Ligands: MG, ADP
Released: 15 Oct 1997

Explore 1AON in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

1AON contains 328 α-helices and 408 β-strands across 21 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 21 helices, 24 β-strands

Element	Residues	Length	Sheet
β-strand	4-8	5	1
α-helix	9-28	20
β-strand	37-40	4	2
β-strand	48-50	3	2
α-helix	53-59	7
α-helix	65-85	21
α-helix	89-108	20
α-helix	113-134	22
β-strand	136	1	3
α-helix	141-151	11
α-helix	156-169	14
β-strand	174-179	6	4
β-strand	186-190	5	4
β-strand	193-195	3	5
β-strand	199	1	6
β-strand	213	1	5
β-strand	219-222	4	7
α-helix	234-243	10
β-strand	247-250	4	7
α-helix	256-268	13
β-strand	273-275	3	7
β-strand	276	1	6
α-helix	282-287	6
α-helix	290-296	7
α-helix	314-316	3
β-strand	318-319	2	7
β-strand	320	1	8
β-strand	323-325	3	5
β-strand	330-332	3	5
β-strand	335	1	8
α-helix	339-347	9
α-helix	349-353	5
α-helix	361-371	11
β-strand	376-381	6	4
α-helix	386-409	24
β-strand	411-413	3	3
α-helix	417-425	9
α-helix	434-446	13
α-helix	449-456	8
α-helix	462-471	10
β-strand	476-479	4	9
β-strand	484-487	4	9
β-strand	494-496	3	3
α-helix	497-514	18
β-strand	517-523	7	1

Chains B and F: 21 helices, 26 β-strands

Element	Residues	Length	Sheet
β-strand	4	1	10
β-strand	7-8	2	11
α-helix	9-28	20
β-strand	37-40	4	1
β-strand	48-50	3	1
α-helix	53-59	7
α-helix	65-85	21
α-helix	89-108	20
α-helix	113-134	22
β-strand	136	1	12
α-helix	141-151	11
α-helix	156-169	14
β-strand	174-179	6	13
β-strand	186-191	6	13
β-strand	193-195	3	14
β-strand	199	1	15
β-strand	213	1	14
β-strand	219-222	4	16
α-helix	234-243	10
β-strand	247-250	4	16
α-helix	256-268	13
β-strand	273-275	3	16
β-strand	276	1	15
α-helix	282-287	6
α-helix	290-296	7
α-helix	314-316	3
β-strand	318-319	2	16
β-strand	320	1	17
β-strand	323-325	3	14
β-strand	330-332	3	14
β-strand	335	1	17
α-helix	339-347	9
α-helix	349-353	5
α-helix	361-371	11
β-strand	375-381	7	13
α-helix	386-409	24
β-strand	411-413	3	12
α-helix	417-425	9
α-helix	434-446	13
α-helix	449-456	8
α-helix	462-471	10
β-strand	476-479	4	18
β-strand	484-487	4	18
β-strand	494-496	3	12
α-helix	497-514	18
β-strand	517-521	5	11
β-strand	523	1	10

Chain C: 20 helices, 24 β-strands

Element	Residues	Length	Sheet
β-strand	4	1	19
β-strand	7-8	2	20
α-helix	9-28	20
β-strand	37-40	4	11
β-strand	48-50	3	11
α-helix	53-59	7
α-helix	65-85	21
α-helix	89-108	20
α-helix	113-134	22
β-strand	136	1	21
α-helix	141-151	11
α-helix	156-169	14
β-strand	174-179	6	22
β-strand	186-190	5	22
β-strand	193-195	3	23
β-strand	213	1	23
β-strand	219-222	4	24
α-helix	234-243	10
β-strand	247-250	4	24
α-helix	256-268	13
β-strand	273-275	3	24
α-helix	282-287	6
α-helix	290-296	7
β-strand	318-319	2	24
β-strand	320	1	25
β-strand	323-325	3	23
β-strand	330-332	3	23
β-strand	335	1	25
α-helix	339-347	9
α-helix	350-353	4
α-helix	361-371	11
β-strand	376-381	6	22
α-helix	386-409	24
β-strand	411-413	3	21
α-helix	417-425	9
α-helix	434-446	13
α-helix	449-456	8
α-helix	462-471	10
β-strand	476-479	4	26
β-strand	484-487	4	26
β-strand	494-496	3	21
α-helix	497-514	18
β-strand	517-521	5	20
β-strand	523	1	19

Chain D: 21 helices, 24 β-strands

Element	Residues	Length	Sheet
β-strand	4	1	27
β-strand	7-8	2	28
α-helix	9-28	20
β-strand	37-40	4	20
β-strand	48-50	3	20
α-helix	53-59	7
α-helix	65-85	21
α-helix	89-108	20
α-helix	113-134	22
β-strand	136	1	29
α-helix	141-151	11
α-helix	156-169	14
β-strand	174-179	6	30
β-strand	186-190	5	30
β-strand	193-195	3	31
β-strand	213	1	31
β-strand	219-222	4	32
α-helix	234-243	10
β-strand	247-250	4	32
α-helix	256-268	13
β-strand	273-275	3	32
α-helix	282-285	4
α-helix	290-296	7
α-helix	314-316	3
β-strand	318-319	2	32
β-strand	320	1	33
β-strand	323-325	3	31
β-strand	330-332	3	31
β-strand	335	1	33
α-helix	339-347	9
α-helix	350-353	4
α-helix	361-371	11
β-strand	376-381	6	30
α-helix	386-409	24
β-strand	411-413	3	29
α-helix	417-425	9
α-helix	434-446	13
α-helix	449-456	8
α-helix	462-471	10
β-strand	476-479	4	34
β-strand	484-487	4	34
β-strand	494-496	3	29
α-helix	497-514	18
β-strand	517-521	5	28
β-strand	523	1	27

Chain E: 20 helices, 24 β-strands

Element	Residues	Length	Sheet
β-strand	4-8	5	35
α-helix	9-28	20
β-strand	37-40	4	28
β-strand	48-50	3	28
α-helix	53-59	7
α-helix	65-85	21
α-helix	89-108	20
α-helix	113-134	22
β-strand	136	1	36
α-helix	141-151	11
α-helix	156-169	14
β-strand	174-179	6	37
β-strand	186-189	4	37
β-strand	194-195	2	38
β-strand	199	1	39
β-strand	213	1	38
β-strand	219-222	4	40
α-helix	234-243	10
β-strand	247-250	4	40
α-helix	256-268	13
β-strand	273-275	3	40
β-strand	276	1	39
α-helix	282-287	6
α-helix	290-296	7
β-strand	318-319	2	40
β-strand	320	1	41
β-strand	323-325	3	38
β-strand	330-332	3	38
β-strand	335	1	41
α-helix	339-347	9
α-helix	349-353	5
α-helix	361-371	11
β-strand	376-381	6	37
α-helix	386-409	24
β-strand	411-413	3	36
α-helix	417-425	9
α-helix	434-446	13
α-helix	449-456	8
α-helix	462-471	10
β-strand	476-479	4	42
β-strand	484-487	4	42
β-strand	494-496	3	36
α-helix	497-514	18
β-strand	517-523	7	35

Chain G: 21 helices, 23 β-strands

Element	Residues	Length	Sheet
β-strand	4-8	5	2
α-helix	9-28	20
β-strand	37-40	4	44
β-strand	48-50	3	44
α-helix	53-59	7
α-helix	65-85	21
α-helix	89-108	20
α-helix	113-134	22
β-strand	136	1	52
α-helix	141-151	11
α-helix	156-169	14
β-strand	174-179	6	53
β-strand	186-190	5	53
β-strand	193-195	3	54
β-strand	199	1	55
α-helix	202-204	3
β-strand	213	1	56
β-strand	219-222	4	57
α-helix	234-243	10
β-strand	247-250	4	57
α-helix	256-267	12
β-strand	273-275	3	57
β-strand	276	1	55
α-helix	282-285	4
α-helix	290-296	7
β-strand	318-319	2	57
β-strand	323	1	54
β-strand	325	1	56
β-strand	330-332	3	54
α-helix	339-347	9
α-helix	350-353	4
α-helix	361-371	11
β-strand	376-381	6	53
α-helix	386-409	24
β-strand	411-413	3	52
α-helix	417-425	9
α-helix	434-446	13
α-helix	449-456	8
α-helix	462-471	10
β-strand	476-479	4	58
β-strand	484-487	4	58
β-strand	494-496	3	52
α-helix	497-514	18
β-strand	517-523	7	2

Chain H: 27 helices, 24 β-strands

Element	Residues	Length	Sheet
β-strand	4-8	5	59
α-helix	9-27	19
α-helix	28-30	3
β-strand	37-40	4	60
β-strand	48-50	3	60
α-helix	53-59	7
α-helix	67-83	17
α-helix	89-109	21
α-helix	113-134	22
α-helix	135	1
β-strand	136	1	61
α-helix	137	1
α-helix	141-151	11
α-helix	156-169	14
β-strand	174-179	6	62
β-strand	186-190	5	62
β-strand	193-195	3	63
β-strand	199	1	64
α-helix	202-204	3
β-strand	207	1	63
α-helix	208-210	3
β-strand	212-216	5	63
β-strand	219-220	2	64
β-strand	227	1	65
α-helix	231-233	3
α-helix	234-242	9
β-strand	247-251	5	64
β-strand	254	1	65
α-helix	259-266	8
β-strand	274-277	4	64
α-helix	278	1
α-helix	283-296	14
α-helix	303-305	3
α-helix	314-316	3
β-strand	318-319	2	64
β-strand	320-326	7	63
β-strand	329-335	7	63
α-helix	339-352	14
α-helix	361-374	14
β-strand	376-381	6	62
α-helix	386-409	24
β-strand	411-413	3	61
α-helix	417-425	9
α-helix	434-447	14
α-helix	449-457	9
α-helix	462-471	10
β-strand	476-479	4	66
β-strand	484-487	4	66
β-strand	494-496	3	61
α-helix	497-515	19
β-strand	517-523	7	59

Chain I: 23 helices, 25 β-strands

Element	Residues	Length	Sheet
β-strand	4-8	5	60
α-helix	9-28	20
β-strand	37-40	4	67
β-strand	48-50	3	67
α-helix	53-59	7
α-helix	67-83	17
α-helix	89-109	21
α-helix	113-134	22
β-strand	136	1	68
α-helix	141-151	11
α-helix	156-169	14
β-strand	174-179	6	69
β-strand	186-190	5	69
β-strand	192-195	4	70
α-helix	202-204	3
β-strand	207	1	71
β-strand	212	1	71
β-strand	213-216	4	70
β-strand	219-222	4	72
β-strand	227	1	73
α-helix	231-233	3
α-helix	234-243	10
β-strand	247-251	5	72
β-strand	254	1	73
α-helix	259-266	8
β-strand	274-277	4	72
α-helix	278	1
α-helix	283-296	14
β-strand	300	1	72
α-helix	303-305	3
α-helix	314-316	3
β-strand	318-319	2	72
β-strand	320-326	7	70
β-strand	329-335	7	70
α-helix	339-352	14
α-helix	361-374	14
β-strand	376-381	6	69
α-helix	386-409	24
β-strand	411-413	3	68
α-helix	417-425	9
α-helix	434-446	13
α-helix	449-457	9
α-helix	462-471	10
β-strand	476-479	4	74
β-strand	484-487	4	74
β-strand	494-496	3	68
α-helix	497-515	19
β-strand	517-523	7	60

10 more chain groups are not listed. Open the entry in the viewer and use the sequence panel to see them.

Molecules and chains

Molecule	Chains	Type	Length	Organism	UniProt
Groel	A, B, C, D, E, F, G, H, I, J, K, L, M, N	protein	547	Escherichia coli	P0A6F5 (AlphaFold model)
Groel/groes complex	O, P, Q, R, S, T, U	protein	97	Escherichia coli	P0A6F9 (AlphaFold model)

Sequence of entity 1 (A, B, C, D, E, F, G, H, I, J, K, L, M, N), FASTA

>1AON_1 GROEL (chains A, B, C, D, E, F, G, H, I, J, K, L, M, N)
AAKDVKFGNDARVKMLRGVNVLADAVKVTLGPKGRNVVLDKSFGAPTITKDGVSVAREIE
LEDKFENMGAQMVKEVASKANDAAGDGTTTATVLAQAIITEGLKAVAAGMNPMDLKRGID
KAVTAAVEELKALSVPCSDSKAIAQVGTISANSDETVGKLIAEAMDKVGKEGVITVEDGT
GLQDELDVVEGMQFDRGYLSPYFINKPETGAVELESPFILLADKKISNIREMLPVLEAVA
KAGKPLLIIAEDVEGEALATLVVNTMRGIVKVAAVKAPGFGDRRKAMLQDIATLTGGTVI
SEEIGMELEKATLEDLGQAKRVVINKDTTTIIDGVGEEAAIQGRVAQIRQQIEEATSDYD
REKLQERVAKLAGGVAVIKVGAATEVEMKEKKARVEDALHATRAAVEEGVVAGGGVALIR
VASKLADLRGQNEDQNVGIKVALRAMEAPLRQIVLNCGEEPSVVANTVKGGDGNYGYNAA
TEEYGNMIDMGILDPTKVTRSALQYAASVAGLMITTECMVTDLPKNDAADLGAAGGMGGM
GGMGGMM

Sequence of entity 2 (O, P, Q, R, S, T, U), FASTA

>1AON_2 GROEL/GROES COMPLEX (chains O, P, Q, R, S, T, U)
MNIRPLHDRVIVKRKEVETKSAGGIVLTGSAAAKSTRGEVLAVGNGRILENGEVKPLDVK
VGDIVIFNDGYGVKSEKIDNEEVLIMSESDILAIVEA

Ligands and cofactors

ID	Name	Formula	Copies
MG	Magnesium ion	Mg	7
ADP	Adenosine-5'-diphosphate	C10 H15 N5 O10 P2	7

Primary citation

The crystal structure of the asymmetric GroEL-GroES-(ADP)7 chaperonin complex. Xu, Z., Horwich, A.L., Sigler, P.B. Nature (1997) 388:741-750. DOI 10.1038/41944 · PubMed

Other PDB entries of the same protein (UniProt P0A6F5 (AlphaFold model), which also has an AlphaFold model), best resolution first:

3VZ6 1.5 Å, Crystal Structure Analysis of the Mini-chaperonines, variant with Gly 184 replaced with…
1KID 1.7 Å, Groel (HSP60 class) fragment (apical domain) comprising residues 191-376, mutant with…
3VZ7 1.8 Å, Crystal Structure Analysis of the mini-chaperonin variant with Pro 187 Gly
3VZ8 1.9 Å, Crystal Structure Analysis of the Mini-chaperonin variant with Leu 185, Val 186, Pro…
1KP8 2.0 Å, Structural Basis for GroEL-assisted Protein Folding from the Crystal Structure of…
1SX3 2.0 Å, GroEL14-(ATPgammaS)14
1DK7 2.02 Å, Crystal structure of an isolated apical domain of groel
1LA1 2.06 Å, Gro-EL Fragment (Apical Domain) Comprising Residues 188-379
1DKD 2.1 Å, Crystal structure of a groel (apical domain) and a dodecameric peptide complex
1FY9 2.2 Å, Crystal structure of the hexa-substituted mutant of the molecular chaperonin groel…
1FYA 2.2 Å, Crystal structure of the hexa-substituted mutant of the molecular chaperonin groel…
8BKZ 2.3 Å, GroEL:GroES-ATP complex under continuous turnover conditions

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1AON is part of these collections:

Protein folding, misfolding and amyloid

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