4Z1NA

Carbonic anhydrase inhibitors: design and synthesis of new heteroaryl-n-carbonylbenzenesulfonamides targeting druggable human carbonic anhydrase isoforms (hca vii, hca ix, and hca xiv)
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 21-255 235 256-258 1-1 2-20 1 2 slipknot
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 24-254 231 1-23, 255-258 23 4 knot
Fingerprint Knot forming loop Loop type
K +31
Chain closureHis3 <-> Lys260
... His96 <->
Bridging ionZn301
<-> His94 ... His3
probabilistic
K +31 His3 ... His96 <->
Bridging ionZn301
<-> His119 ...
Chain closureLys260 <-> His3
probabilistic
K +31 His3 ... His94 <->
Bridging ionZn301
<-> His119 ...
Chain closureLys260 <-> 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 27-257 231 1-26, 258-258 26 1 knot
view details
2.1 25-252 228 1-24 258-258 253-257 24 1 slipknot
publication title Carbonic anhydrase inhibitors: Design, synthesis and structural characterization of new heteroaryl-N-carbonylbenzenesulfonamides targeting druggable human carbonic anhydrase isoforms.
pubmed doi rcsb
structure length 258
molecule tags Lyase
source organism Homo sapiens
sequence length 258
molecule keywords Carbonic anhydrase 2
ec nomenclature ec 4.2.1.1: Carbonic anhydrase.
pdb deposition date 2015-03-27
KnotProt deposition date 2018-10-20

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