4ITPA

Structure of human carbonic anhydrase ii bound to a benzene sulfonamide
Knot K +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 22-255 234 1-21, 256-258 21 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 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 24-254 231 1-23, 255-258 23 4 knot
Fingerprint Knot forming loop Loop type
K +31 His4 ... His94 <->
Bridging ionZn302
<-> His96 ...
Chain closureLys261 <-> His4
probabilistic
K +31 His4 ... His96 <->
Bridging ionZn302
<-> His119 ...
Chain closureLys261 <-> His4
probabilistic
K +31 His4 ... His94 <->
Bridging ionZn302
<-> His119 ...
Chain closureLys261 <-> 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
3.1 11-256 246 1-10, 257-257 10 1 knot
view details
2.1 25-251 227 1-24 257-257 252-256 24 1 slipknot
view details
3.1 26-255 230 256-257 1-10 11-25 10 1 slipknot
publication title Structural study of the location of the phenyl tail of benzene sulfonamides and the effect on human carbonic anhydrase inhibition.
pubmed doi rcsb
structure length 257
molecule tags Lyase/lyase inhibitor
source organism Homo sapiens
sequence length 257
molecule keywords Carbonic anhydrase 2
ec nomenclature ec 4.2.1.1: Carbonate dehydratase.
pdb deposition date 2013-01-18
KnotProt deposition date 2018-10-18

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)
...loading similar chains, please wait...
similar chains in the KnotProt database (?% sequence similarity)
...loading similar chains, please wait...
similar chains in the pdb database (?% sequence similarity)

 
#similar chains in the KnotProt database (?% sequence similarity)
...loading similar chains, please wait...
#similar chains, but unknotted
...loading similar chains, please wait...
#similar chains in the pdb database (?% sequence similarity)
...loading similar chains, please wait...

KnotProt | Interdisciplinary Laboratory of Biological Systems Modelling