4QJPA

Crystal structure of human carbonic anhydrase isozyme xiii with inhibitor
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 23-256 234 1-22, 257-258 22 2 knot
Chain Sequence
SWGYREHNGPIHWKEFFPIADGDQQSPIEIKTKEVKYDSSLRPLSIKYDPSSAKIISNSGHSFNVDFDDTENKSVLRGGPLTGSYRLRQVHLHWGSADDHGSEHIVDGVSYAAELHVVHWNSDKYPSFVEAAHEPDGLAVLGVFLQIGEPNSQLQKITDTLDSIKEKGKQTRFTNFDLLSLLPPSWDYWTYPGSLTVPPLLESVTWIVLKQPINISSQQLAKFRSLLCTAEGEAAAFLVSNHRPPQPLKGRKVRASFH
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 24-254 231 255-258 1-1 2-23 1 3 slipknot
Fingerprint Knot forming loop Loop type
K +31
Chain closureSer6 <-> His263
... His98 <->
Bridging ionZn301
<-> His96 ... Ser6
probabilistic
K +31
Chain closureSer6 <-> His263
... His121 <->
Bridging ionZn301
<-> His96 ... Ser6
probabilistic
K +31
Chain closureSer6 <-> His263
... His121 <->
Bridging ionZn301
<-> His98 ... Ser6
probabilistic
Chain Sequence
SWGYREHNGPIHWKEFFPIADGDQQSPIEIKTKEVKYDSSLRPLSIKYDPSSAKIISNSGHSFNVDFDDTENKSVLRGGPLTGSYRLRQVHLHWGSADDHGSEHIVDGVSYAAELHVVHWNSDKYPSFVEAAHEPDGLAVLGVFLQIGEPNSQLQKITDTLDSIKEKGKQTRFTNFDLLSLLPPSWDYWTYPGSLTVPPLLESVTWIVLKQPINISSQQLAKFRSLLCTAEGEAAAFLVSNHRPPQPLKGRKVRASFH
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 25-256 232 1-24, 257-258 24 2 knot
view details
2.1 24-252 229 1-23 258-258 253-257 23 1 slipknot
publication title Functionalization of Fluorinated Benzenesulfonamides and Their Inhibitory Properties toward Carbonic Anhydrases
pubmed doi rcsb
structure length 258
molecule tags Lyase/lyase inhibitor
source organism Homo sapiens
sequence length 258
molecule keywords Carbonic anhydrase 13
ec nomenclature ec 4.2.1.1: Carbonic anhydrase.
pdb deposition date 2014-06-04
KnotProt deposition date 2018-10-03

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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KnotProt | Interdisciplinary Laboratory of Biological Systems Modelling