1OXY: Hemocyanin

Crystallographic analysis of oxygenated and deoxygenated states of arthropod hemocyanin shows unusual differences. Determined by X-ray diffraction at 2.4 Å resolution. Released 27 Feb 1995.

Method
X-ray diffraction
Resolution
2.4 Å
Organism
Limulus polyphemus
Chains
1
Atoms
5,006
Mol. weight
72.82 kDa
Ligands
OXY, CU
Released
27 Feb 1995

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

Secondary structure: helices and β-sheets

1OXY contains 40 α-helices and 24 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: 40 helices, 24 β-strands

ElementResiduesLengthSheet
α-helix3-1210
α-helix411
α-helix45-462
α-helix51-6616
α-helix70-8011
α-helix86-9914
α-helix101-1033
α-helix111-1144
α-helix116-1183
α-helix122-1265
α-helix156-1605
α-helix161-1644
α-helix167-17913
α-helix196-21722
α-helix220-2256
α-helix2321
β-strand23311
α-helix234-2352
β-strand23612
β-strand241-24223
β-strand247-24823
α-helix249-2513
β-strand25212
β-strand25611
β-strand26114
β-strand26414
α-helix266-28217
β-strand284-28635
β-strand292-29435
α-helix300-30910
α-helix317-3204
α-helix323-33210
α-helix343-3453
α-helix347-3493
α-helix354-3563
α-helix359-37517
α-helix379-3824
α-helix383-3864
β-strand391-39996
β-strand405-416127
β-strand430-43897
β-strand442-44986
β-strand455-465117
β-strand46718
α-helix4721
β-strand47318
α-helix474-4752
α-helix476-4827
α-helix4831
β-strand484-493107
β-strand496-50386
α-helix504-5063
β-strand510-51129
α-helix517-5204
β-strand538-53929
α-helix540-5423
β-strand54817
β-strand552-562117
α-helix563-5664
α-helix580-5834
α-helix5951
α-helix603-6042
α-helix609-6113
β-strand617-626107

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Hemocyanin (subunit type II)Aprotein628Limulus polyphemusP04253 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>1OXY_1 HEMOCYANIN (SUBUNIT TYPE II) (chains A)
TLHDKQIRICHLFEQLSSATVIGDGDKHKHSDRLKNVGKLQPGAIFSCFHPDHLEEARHL
YEVFWEAGDFNDFIEIAKEARTFVNEGLFAFAAEVAVLHRDDCKGLYVPPVQEIFPDKFI
PSAAINEAFKKAHVRPEFDESPILVDVQDTGNILDPEYRLAYYREDVGINAHHWHWHLVY
PSTWNPKYFGKKKDRKGELFYYMHQQMCARYDCERLSNGMHRMLPFNNFDEPLAGYAPHL
THVASGKYYSPRPDGLKLRDLGDIEISEMVRMRERILDSIHLGYVISEDGSHKTLDELHG
TDILGALVESSYESVNHEYYGNLHNWGHVTMARIHDPDGRFHEEPGVMSDTSTSLRDPIF
YNWHRFIDNIFHEYKNTLKPYDHDVLNFPDIQVQDVTLHARVDNVVHTFMREQELELKHG
INPGNARSIKAKYYHLDHEPFSYAVNVQNNSASDKHATVRIFLAPKYDELGNEIKADELR
RTAIELDKFKTDLHPGKNTVVRHSLDSSVTLSHQPTFEDLLHGVGLNEHKSEYCSCGWPS
HLLVPKGNVAGMEYHLFVMLTDWDKDKVDGSESVACVDAVSYCGARDHKYPDKKPMGFPF
DRPIHTEHISDFLTNNMFIKDIKIKFHE

Ligands and cofactors

IDNameFormulaCopies
OXYOxygen moleculeO21
CUCopper (II) ionCu2

Primary citation

Crystallographic analysis of oxygenated and deoxygenated states of arthropod hemocyanin shows unusual differences. Magnus, K.A., Hazes, B., Ton-That, H. et al. Proteins (1994) 19:302-309. DOI 10.1002/prot.340190405 · PubMed

Other PDB entries of the same protein (UniProt P04253 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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1OXY is part of these collections:

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