Structure of PDB 1cyg Chain A

Receptor sequence
>1cygA (length=680) Species: 1422 (Geobacillus stearothermophilus) [Search protein sequence]
AGNLNKVNFTSDVVYQIVVDRFVDGNTSNNPSGALFSSGCTNLRKYCGGD
WQGIINKINDGYLTDMGVTAIWISQPVENVFSVMNDASGSASYHGYWARD
FKKPNPFFGTLSDFQRLVDAAHAKGIKVIIDFAPNHTSPASETNPSYMEN
GRLYDNGTLLGGYTNDANMYFHHNGGTTFSSLEDGIYRNLFDLADLNHQN
PVIDRYLKDAVKMWIDMGIDGIRMDAVKHMPFGWQKSLMDEIDNYRPVFT
FGEWFLSENEVDANNHYFANESGMSLLDFRFGQKLRQVLRNNSDNWYGFN
QMIQDTASAYDEVLDQVTFIDNHDMDRFMIDGGDPRKVDMALAVLLTSRG
VPNIYYGTEQYMTGNGDPNNRKMMSSFNKNTRAYQVIQKLSSLRRNNPAL
AYGDTEQRWINGDVYVYERQFGKDVVLVAVNRSSSSNYSITGLFTALPAG
TYTDQLGGLLDGNTIQVGSNGSVNAFDLGPGEVGVWAYSATESTPIIGHV
GPMMGQVGHQVTIDGEGFGTNTGTVKFGTTAANVVSWSNNQIVVAVPNVS
PGKYNITVQSSSGQTSAAYDNFEVLTNDQVSVRFVVNNATTNLGQNIYIV
GNVYELGNWDTSKAIGPMFNQVVYSYPTWYIDVSVPEGKTIEFKFIKKDS
QGNVTWESGSNHVYTTPTNTTGKIIVDWQN
3D structure
PDB1cyg ?
ChainA
Resolution2.5 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) D131 R223 D225 E253 H323 D324
Catalytic site (residue number reindexed from 1) D131 R223 D225 E253 H323 D324
Enzyme Commision number 2.4.1.19: cyclomaltodextrin glucanotransferase.
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 CA A N135 I186 D195 H229 N135 I186 D195 H229
BS02 CA A D24 N26 T27 N29 N30 G48 D50 D24 N26 T27 N29 N30 G48 D50
Gene Ontology
Molecular Function
GO:0003824 catalytic activity
GO:0004556 alpha-amylase activity
GO:0016757 glycosyltransferase activity
GO:0030246 carbohydrate binding
GO:0043169 cation binding
GO:0043895 cyclomaltodextrin glucanotransferase activity
GO:0046872 metal ion binding
GO:2001070 starch binding
Biological Process
GO:0005975 carbohydrate metabolic process
Cellular Component
GO:0005576 extracellular region

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1cyg, PDBe:1cyg, PDBj:1cyg
PDBsum1cyg
PubMed
UniProtP31797|CDGT_GEOSE Cyclomaltodextrin glucanotransferase (Gene Name=cgt)

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