2QWQ: Heat shock cognate 71 kDa protein

Crystal structure of disulfide-bond-crosslinked complex of bovine hsc70 (1-394aa)R171C and bovine Auxilin (810-910aa)D876C in the AMPPNP hydrolyzed form. Determined by X-ray diffraction at 2.21 Å resolution. Released 18 Dec 2007.

Method
X-ray diffraction
Resolution
2.21 Å
Organism
Bos taurus
Chains
2
Atoms
3,864
Mol. weight
54.88 kDa
Ligands
PO4, ADP
Released
18 Dec 2007

Explore 2QWQ in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

2QWQ contains 23 α-helices and 20 β-strands across 2 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: 16 helices, 20 β-strands

ElementResiduesLengthSheet
β-strand7-1041
β-strand15-1622
β-strand17-2261
β-strand25-2841
α-helix29-302
β-strand38-3922
β-strand42-4433
β-strand49-5133
α-helix53-564
β-strand66-6723
α-helix70-723
α-helix81-877
β-strand93-9754
β-strand100-10784
β-strand110-11454
α-helix116-13520
β-strand141-14661
α-helix152-16413
β-strand168-17471
α-helix175-1828
β-strand193-20085
β-strand205-21395
β-strand216-225105
α-helix230-24920
α-helix257-27317
β-strand279-288106
β-strand291-29886
α-helix299-3057
α-helix307-3115
α-helix314-32411
α-helix328-3303
β-strand333-33755
α-helix339-3424
α-helix344-35310
β-strand36015
α-helix368-37912
Chain B: 7 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix814-82613
α-helix830-8345
α-helix837-8393
α-helix8421
α-helix853-8553
α-helix859-87315
α-helix884-90320

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Heat shock cognate 71 kDa proteinAprotein394Bos taurusP19120 (AlphaFold model)
Putative tyrosine-protein phosphatase auxilinBprotein92Bos taurusQ27974 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>2QWQ_1 Heat shock cognate 71 kDa protein (chains A)
MSKGPAVGIDLGTTYSCVGVFQHGKVEIIANDQGNRTTPSYVAFTDTERLIGDAAKNQVA
MNPTNTVFDAKRLIGRRFDDAVVQSDMKHWPFMVVNDAGRPKVQVEYKGETKSFYPEEVS
SMVLTKMKEIAEAYLGKTVTNAVVTVPAYFNDSQRQATKDAGTIAGLNVLCIINEPTAAA
IAYGLDKKVGAERNVLIFDLGGGTFDVSILTIEDGIFEVKSTAGDTHLGGEDFDNRMVNH
FIAEFKRKHKKDISENKRAVRRLRTACERAKRTLSSSTQASIEIDSLYEGIDFYTSITRA
RFEELNADLFRGTLDPVEKALRDAKLDKSQIHDIVLVGGSTRIPKIQKLLQDFFNGKELN
KSINPDEAVAYGAAVQAAILSGDKSENVQDLLLL
Sequence of entity 2 (B), FASTA
>2QWQ_2 Putative tyrosine-protein phosphatase auxilin (chains B)
DPEKLKILEWIEGKERNIRALLSTMHTVLWAGETKWKPVGMADLVTPEQVKKVYRKAVLV
VHPCKATGQPYEQYAKMIFMELNDAWSEFENQ

Ligands and cofactors

IDNameFormulaCopies
PO4Phosphate ionO4 P1
ADPAdenosine-5'-diphosphateC10 H15 N5 O10 P21

Water and common crystallization additives (ACY, GOL) are not listed.

Primary citation

Structural basis of J cochaperone binding and regulation of Hsp70. Jiang, J., Maes, E.G., Taylor, A.B. et al. Mol Cell (2007) 28:422-433. DOI 10.1016/j.molcel.2007.08.022 · PubMed

Other PDB entries of the same protein (UniProt P19120 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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