4YXOA

Human carbonic anhydrase ii complexed with an inhibitor with a benzenesulfonamide group (3).
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 24-255 232 1-23, 256-258 23 3 knot
Chain Sequence
HWGYGKHNGPEHWHKDFPIAKGERQSPVDIDTHTAKYDPSLKPLSVSYDQATSLRILNNGHAFNVEFDDSQDKAVLKGGPLDGTYRLIQFHFHWGSLDGQGSEHTVDKKKYAAELHLVHWNTKYGDFGKAVQQPDGLAVLGIFLKVGSAKPGLQKVVDVLDSIKTKGKSADFTNFDPRGLLPESLDYWTYPGSLTTPPLLECVTWIVLKEPISVSSEQVLKFRKLNFNGEGEPEELMVDNWRPAQPLKNRQIKASFK
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 11x +31
Knot core range Knot core length Knot tails range Slipknot tails range Slipknot loops range N-end length C-end length Type
+ 31 22-254 233 255-258 1-1 2-21 1 3 slipknot
Fingerprint Knot forming loop Loop type
K +31 His4 ... His94 <->
Bridging ionZn302
<-> His96 ...
Chain closureLys261 <-> His4
probabilistic
K +31
Chain closureHis4 <-> Lys261
... Cys206 <->
Bridging ionMbo301
<-> Gln137 ... His4
probabilistic
K +31
Chain closureHis4 <-> Lys261
... Glu205 <->
Bridging ionMbo301
<-> Gln137 ... His4
probabilistic
K +31 His4 ... His96 <->
Bridging ionZn302
<-> His119 ...
Chain closureLys261 <-> His4
probabilistic
K +31 His4 ... His94 <->
Bridging ionZn302
<-> His119 ...
Chain closureLys261 <-> His4
probabilistic
K +31
Chain closureHis4 <-> Lys261
... Cys206 <->
Bridging ionMbo301
<-> Gln137 ... His96 <->
Bridging ionZn302
<-> His94 ... His4
probabilistic
K +31
Chain closureHis4 <-> Lys261
... Glu205 <->
Bridging ionMbo301
<-> Gln137 ... His96 <->
Bridging ionZn302
<-> His94 ... His4
probabilistic
K +31
Chain closureHis4 <-> Lys261
... Cys206 <->
Bridging ionMbo301
<-> Gln137 ... His119 <->
Bridging ionZn302
<-> His96 ... His4
probabilistic
K +31
Chain closureHis4 <-> Lys261
... Glu205 <->
Bridging ionMbo301
<-> Gln137 ... His119 <->
Bridging ionZn302
<-> His96 ... His4
probabilistic
K +31
Chain closureHis4 <-> Lys261
... Cys206 <->
Bridging ionMbo301
<-> Gln137 ... His119 <->
Bridging ionZn302
<-> His94 ... His4
probabilistic
K +31
Chain closureHis4 <-> Lys261
... Glu205 <->
Bridging ionMbo301
<-> Gln137 ... His119 <->
Bridging ionZn302
<-> His94 ... His4
probabilistic
Chain Sequence
HWGYGKHNGPEHWHKDFPIAKGERQSPVDIDTHTAKYDPSLKPLSVSYDQATSLRILNNGHAFNVEFDDSQDKAVLKGGPLDGTYRLIQFHFHWGSLDGQGSEHTVDKKKYAAELHLVHWNTKYGDFGKAVQQPDGLAVLGIFLKVGSAKPGLQKVVDVLDSIKTKGKSADFTNFDPRGLLPESLDYWTYPGSLTTPPLLECVTWIVLKEPISVSSEQVLKFRKLNFNGEGEPEELMVDNWRPAQPLKNRQIKASFK
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 24-251 228 1-23 257-257 252-256 23 1 slipknot
publication title Kinetic and Structural Insights into the Mechanism of Binding of Sulfonamides to Human Carbonic Anhydrase by Computational and Experimental Studies.
pubmed doi rcsb
structure length 257
molecule tags Lyase
source organism Homo sapiens
sequence length 257
total genus Genus: 79
molecule keywords Carbonic anhydrase 2
ec nomenclature
pdb deposition date 2015-03-23
KnotProt deposition date 2018-10-17
Image from the rcsb pdb (www.rcsb.org)
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