3T5ZA

Crystal structure of the human carbonic anhydrase ii in complex with n-methoxy-benzenesulfonamide
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
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+31 25-255 231 1-24, 256-259 24 4 knot
Chain Sequence
HHWGYGKHNGPEHWHKDFPIAKGERQSPVDIDTHTAKYDPSLKPLSVSYDQATSLRILNNGHAFNVEFDDSQDKAVLKGGPLDGTYRLIQFHFHWGSLDGQGSEHTVDKKKYAAELHLVHWNTKYGDFGKAVQQPDGLAVLGIFLKVGSAKPGLQKVVDVLDSIKTKGKSADFTNFDPRGLLPESLDYWTYPGSLTTPPLLECVTWIVLKEPISVSSEQVLKFRKLNFNGEGEPEELMVDNWRPAQPLKNRQIKASFK
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 25-255 231 256-259 1-1 2-24 1 3 slipknot
Fingerprint Knot forming loop Loop type
K +31
Chain closureHis3 <-> Lys261
... His96 <->
Bridging ionZn262
<-> His94 ... His3
probabilistic
K +31 His3 ... His96 <->
Bridging ionZn262
<-> His119 ...
Chain closureLys261 <-> His3
probabilistic
K +31 His3 ... His94 <->
Bridging ionZn262
<-> His119 ...
Chain closureLys261 <-> His3
probabilistic
Chain Sequence
HHWGYGKHNGPEHWHKDFPIAKGERQSPVDIDTHTAKYDPSLKPLSVSYDQATSLRILNNGHAFNVEFDDSQDKAVLKGGPLDGTYRLIQFHFHWGSLDGQGSEHTVDKKKYAAELHLVHWNTKYGDFGKAVQQPDGLAVLGIFLKVGSAKPGLQKVVDVLDSIKTKGKSADFTNFDPRGLLPESLDYWTYPGSLTTPPLLECVTWIVLKEPISVSSEQVLKFRKLNFNGEGEPEELMVDNWRPAQPLKNRQIKASFK
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
3.1 25-257 233 1-24, 258-258 24 1 knot
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2.1 25-252 228 1-24 258-258 253-257 24 1 slipknot
view details
3.1 27-256 230 257-258 1-24 25-26 24 1 slipknot
sequence length 258
structure length 258
publication title Carbonic anhydrase inhibitors: X-ray crystallographic studies for the binding of N-substituted benzenesulfonamides to human isoform II.
pubmed doi rcsb
molecule tags Lyase/lyase inhibitor
molecule keywords Carbonic anhydrase 2
total genus Genus: 74
ec nomenclature ec 4.2.1.1: Carbonate dehydratase.
pdb deposition date 2011-07-28
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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