Structure of PDB 5a6h Chain A

Receptor sequence
>5a6hA (length=259) Species: 9606 (Homo sapiens) [Search protein sequence]
SHHWGYGKHNGPEHWHKDFPIAKGERQSPVDIDTHTAKYDPSLKPLSVSY
DQATSLRILNNGHAFNVEFDDSQDKAVLKGGPLDGTYRLIQFHFHWGSLD
GQGSEHTVDKKKYAAELHLVHWNTKYGDFGKAVQQPDGLAVLGIFLKVGS
AKPGLQKVVDVLDSIKTKGKSADFTNFDPRGLLPESLDYWTYPGSLTTPP
LLECVTWIVLKEPISVSSEQVLKFRKLNFNGEGEPEELMVDNWRPAQPLK
NRQIKASFK
3D structure
PDB5a6h An Unusual Natural Product Primary Sulfonamide: Synthesis, Carbonic Anhydrase Inhibition and Protein X-Ray Structures of Psammaplin C.
ChainA
Resolution1.57 Å
3D
structure
Catalytic site residues are labeled in the structure
[Spin on]
[Spin off]
[Reset orientation]

[High quality]
[Low quality]

[White background]
[Black background]

[Download]
[Download structure with residue number starting from 1]
Enzymatic activity
Catalytic site (original residue number in PDB) H64 H94 H96 E106 H119 T199
Catalytic site (residue number reindexed from 1) H63 H93 H95 E105 H118 T197
Enzyme Commision number 4.2.1.1: carbonic anhydrase.
4.2.1.69: cyanamide hydratase.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 ZN A H94 H96 H119 H93 H95 H118
BS02 OE2 A H94 H96 F131 L198 T199 T200 P201 P202 H93 H95 F129 L196 T197 T198 P199 P200 MOAD: Ki=88nM
PDBbind-CN: -logKd/Ki=7.06,Ki=88.0nM
BindingDB: Ki=88nM
BS03 OE2 A H4 W5 D19 H3 W4 D18 MOAD: Ki=88nM
PDBbind-CN: -logKd/Ki=7.06,Ki=88.0nM
BindingDB: Ki=88nM
BS04 OE2 A H3 W5 F20 P201 P202 H2 W4 F19 P199 P200 MOAD: Ki=88nM
PDBbind-CN: -logKd/Ki=7.06,Ki=88.0nM
BindingDB: Ki=88nM
Gene Ontology
Molecular Function
GO:0004064 arylesterase activity
GO:0004089 carbonate dehydratase activity
GO:0005515 protein binding
GO:0008270 zinc ion binding
GO:0016829 lyase activity
GO:0018820 cyanamide hydratase activity
GO:0046872 metal ion binding
Biological Process
GO:0002009 morphogenesis of an epithelium
GO:0006730 one-carbon metabolic process
GO:0015670 carbon dioxide transport
GO:0032230 positive regulation of synaptic transmission, GABAergic
GO:0032849 positive regulation of cellular pH reduction
GO:0038166 angiotensin-activated signaling pathway
GO:0044070 regulation of monoatomic anion transport
GO:0046903 secretion
GO:0051453 regulation of intracellular pH
GO:0070050 neuron cellular homeostasis
GO:2001150 positive regulation of dipeptide transmembrane transport
GO:2001225 regulation of chloride transport
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol
GO:0005886 plasma membrane
GO:0043209 myelin sheath
GO:0045177 apical part of cell
GO:0070062 extracellular exosome

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:5a6h, PDBe:5a6h, PDBj:5a6h
PDBsum5a6h
PubMed27172398
UniProtP00918|CAH2_HUMAN Carbonic anhydrase 2 (Gene Name=CA2)

[Back to BioLiP]