6ACN: Aconitase

Structure of activated aconitase. Formation of the (4FE-4S) cluster in the crystal. Determined by X-ray diffraction at 2.5 Å resolution. Released 15 Jul 1990.

Method
X-ray diffraction
Resolution
2.5 Å
Organism
Sus scrofa
Chains
1
Atoms
6,255
Mol. weight
83.41 kDa
Ligands
TRC, SF4
Released
15 Jul 1990

Explore 6ACN in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

6ACN contains 39 α-helices and 52 β-strands across 1 chain. 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: 39 helices, 52 β-strands

ElementResiduesLengthSheet
β-strand611
β-strand1511
α-helix18-3215
α-helix35-373
α-helix38-447
β-strand4712
β-strand61-6442
β-strand68-7253
α-helix73-8614
β-strand95-9843
β-strand10514
α-helix109-13426
β-strand137-13933
α-helix1401
β-strand14415
α-helix146-1494
α-helix150-1545
β-strand160-16343
α-helix168-1747
β-strand177-18043
α-helix183-1919
α-helix193-1942
β-strand195-19842
α-helix199-2002
β-strand201-20886
α-helix217-23216
β-strand236-24166
α-helix243-2475
α-helix250-25910
α-helix260-2634
β-strand267-26936
α-helix274-2829
α-helix286-2938
α-helix296-2983
α-helix301-3022
β-strand309-31466
β-strand32117
β-strand32318
β-strand33317
α-helix334-34411
β-strand34919
β-strand350-35678
β-strand36018
α-helix363-37715
β-strand386-39058
β-strand39315
α-helix394-4029
α-helix405-4117
β-strand414-41638
α-helix422-4243
β-strand42814
β-strand439-44358
β-strand459-46358
α-helix466-47510
β-strand47719
β-strand487-488210
β-strand494-495210
α-helix497-5004
β-strand517-51823
β-strand538111
α-helix543-5475
β-strand552-560912
β-strand561113
β-strand566114
α-helix567-5704
β-strand571115
α-helix574-5796
β-strand581111
α-helix583-5864
α-helix587-5893
β-strand590115
β-strand595-596213
β-strand601-602213
β-strand605-606216
β-strand613-614216
α-helix616-6249
β-strand630-633412
β-strand638117
β-strand640114
α-helix646-6538
β-strand656-661612
β-strand664117
α-helix666-6749
β-strand678-682512
α-helix685-6895
β-strand696-700512
α-helix702-7043
β-strand711-716612
β-strand722-728712
α-helix733-7419
α-helix744-7507

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
AconitaseAprotein754Sus scrofaP16276 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>6ACN_1 ACONITASE (chains A)
QRAKVAMSHFEPHEYIRYDLLEKNIDIVRKRLNRPLTLSEKIVYGHLDDPANQEIERGKT
YLRLRPDRVAMQDATAQMAMLQFISSGLPKVAVPSTIHCDHLIEAQLGGEKDLRRAKDIN
QEVYNFLATAGAKYGVGFWRPGSGIIHQIILENYAYPGVLLIGTDSHTPNGGGLGGICIG
VGGADAVDVMAGIPWELKCPKVIGVKLTGSLSGWTSPKDVILKVAGILTVKGGTGAIVEY
HGPGVDSISCTGMATICNMGAEIGATTSVFPYNHRMKKYLSKTGRADIANLADEFKDHLV
PDPGCHYDQVIEINLSELKPHINGPFTPDLAHPVAEVGSVAEKEGWPLDIRVGLIGSCTN
SSYEDMGRSAAVAKQALAHGLKCKSQFTITPGSEQIRATIERDGYAQVLRDVGGIVLANA
CGPCIGQWDRKDIKKGEKNTIVTSYNRNFTGRNDANPETHAFVTSPEIVTALAIAGTLKF
NPETDFLTGKDGKKFKLEAPDADELPRAEFDPGQDTYQHPPKDSSGQRVDVSPTSQRLQL
LEPFDKWDGKDLEDLQILIKVKGKCTTDHISAAGPWLKFRGHLDNISNNLLIGAINIENR
KANSVRNAVTQEFGPVPDTARYYKQHGIRWVVIGDENYGEGSSREHSALEPRHLGGRAII
TKSFARIHETNLKKQGLLPLTFADPADYNKIHPVDKLTIQGLKDFAPGKPLKCIIKHPNG
TQETILLNHTFNETQIEWFRAGSALNRMKELQQK

Ligands and cofactors

IDNameFormulaCopies
TRCTricarballylic acidC6 H8 O61
SF4Iron/sulfur clusterFe4 S41

Water and common crystallization additives (SO4) are not listed.

Primary citation

Structure of activated aconitase: formation of the [4Fe-4S] cluster in the crystal. Robbins, A.H., Stout, C.D. Proc Natl Acad Sci U S A (1989) 86:3639-3643. DOI 10.1073/pnas.86.10.3639 · PubMed

Other PDB entries of the same protein (UniProt P16276 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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