4CNRA

Surface residue engineering of bovine carbonic anhydrase to an extreme halophilic enzyme for potential application in postcombustion co2 capture
Slipknot S +31
Knot core range Knot core length Knot tails range Slipknot tails range Slipknot loops range N-end length C-end length Type
view details
+31 23-253 231 1-22, 254-257 22 4 knot
Chain Sequence
HWGYDKHNGPEHWHKDFPIANGERQSPVDIDTDAVVQDPALKPLALDYGEATSRRMVNDGHSFNVEYDDSQDKAVLKDGPLTGTYRLVQFHFHWGSSDDQGSEHTVDRKKYAAELHLVHWNTKYGDFGTAAQEPDGLAVVGVFLKVGDANPALQKVLDALDSIKTKGKSTDFPNFDPGSLLPNVLDYWTYPGSLTTPPLLESVTWIVLKEPISVSSQQMLKFRTLNFNAEGEPEELMLANWRPAQPLKNRQVRGFPK
Note, that the numbers in the matrix denote the consecutive residues in the loop, not the index of amino acids in the chain!
Knot K 3x +31
Knot core range Knot core length Knot tails range Slipknot tails range Slipknot loops range N-end length C-end length Type
+ 31 21-252 232 1-20, 253-257 20 5 knot
Fingerprint Knot forming loop Loop type
K +31 His4 ... His94 <->
Bridging ionZn268
<-> His96 ...
Chain closureLys260 <-> His4
probabilistic
K +31 His4 ... His96 <->
Bridging ionZn268
<-> His119 ...
Chain closureLys260 <-> His4
probabilistic
K +31 His4 ... His94 <->
Bridging ionZn268
<-> His119 ...
Chain closureLys260 <-> His4
probabilistic
Chain Sequence
HWGYDKHNGPEHWHKDFPIANGERQSPVDIDTDAVVQDPALKPLALDYGEATSRRMVNDGHSFNVEYDDSQDKAVLKDGPLTGTYRLVQFHFHWGSSDDQGSEHTVDRKKYAAELHLVHWNTKYGDFGTAAQEPDGLAVVGVFLKVGDANPALQKVLDALDSIKTKGKSTDFPNFDPGSLLPNVLDYWTYPGSLTTPPLLESVTWIVLKEPISVSSQQMLKFRTLNFNAEGEPEELMLANWRPAQPLKNRQVRGFPK
Whole chain analysis
Subchain analysis 

Knotoid cutoff: 0.5


Knotoid matrix content: 1

Knot core range Knot core length Knot tails range Slipknot tails range Slipknot loops range N-end length C-end length Type
view details
2.1 25-251 227 1-24 256-257 252-255 24 2 slipknot
view details
3.1 24-255 232 256-257 1-12 13-23 12 1 slipknot
sequence length 257
structure length 257
publication title Rational Engineering of a Mesohalophilic Carbonic Anhydrase to an Extreme Halotolerant Biocatalyst.
pubmed doi rcsb
molecule tags Lyase
molecule keywords CARBONIC ANHYDRASE 2
source organism Bos taurus
total genus Genus: 79
ec nomenclature ec 4.2.1.1: Carbonate dehydratase.
pdb deposition date 2014-01-24
KnotProt deposition date 2018-10-19

pfam database annotations

chain Pfam Accession Code Pfam Family Identifier Pfam Description
A PF00194 Carb_anhydrase Eukaryotic-type carbonic anhydrase
Image from the rcsb pdb (www.rcsb.org)
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similar chains in the KnotProt database (?% sequence similarity)
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similar chains in the pdb database (?% sequence similarity)

 
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