Structure of PDB 3bmw Chain A

Receptor sequence

>3bmwA (length=683) Species: 33950 (Thermoanaerobacterium thermosulfurigenes)

ASDTAVSNVVNYSTDVIYQIVTDRFVDGNTSNNPTGDLYDPTHTSLKKYF
GGDWQGIINKINDGYLTGMGVTAIWIPQPVENIYAVLPDSTFGGSTSYHG
YWARDFKRTNPYFGSFTDFQNLINTAHAHNIKVIIDFAPNHTSPASETDP
TYAENGRLYDNGTLLGGYTNDTNGYFHHYGGTDFSSYEDGIYRNLFDLAD
LNQQNSTIDSYLKSAIKVWLDMGIDGIRLDAVKHMPFGWQKNFMDSILSY
RPVFTFGEWFLGTNEIDVNNTYFANESGMSLLDFRFSQKVRQVFRDNTDT
MYGLDSMIQSTASDYNFINDMVTFIDNHDMDRFYNGGSTRPVEQALAFTL
TSRGVPAIYYGTEQYMTGNGDPYNRAMMTSFNTSTTAYNVIKKLAPLRKS
NPAIAYGTTQQRWINNDVYIYERKFGNNVALVAINRNLSTSYNITGLYTA
LPAGTYTDVLGGLLNGNSISVASDGSVTPFTLSAGEVAVWQYVSSSNSPL
IGHVGPTMTKAGQTITIDGRGFGTTSGQVLFGSTAGTIVSWDDTEVKVKV
PSVTPGKYNISLKTSSGATSNTYNNINILTGNQICVRFVVNNASTVYGEN
VYLTGNVAELGNWDTSKAIGPMFNQVVYQYPTWYYDVSVPAGTTIQFKFI
KKNGNTITWEGGSNHTYTVPSSSTGTVIVNWQQ

3D structure

• PDB: 3bmw Elimination of competing hydrolysis and coupling side reactions of a cyclodextrin glucanotransferase by directed evolution.
• Chain: A
• Resolution: 1.6 Å

Enzymatic activity

• Catalytic site (original residue number in PDB): D136 R228 D230 E258 H328 D329
• Catalytic site (residue number reindexed from 1): D136 R228 D230 E258 H328 D329
• 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	GLC	A	W413 I414 T445	W413 I414 T445
BS02	GLC	A	Q411 R412 G446	Q411 R412 G446
BS03	GLC	A	F184 K233	F184 K233
BS04	G6D	A	A231 H234 E258 D329	A231 H234 E258 D329
BS05	GLC	A	Y101 W102 D371 R375	Y101 W102 D371 R375
BS06	GLC	A	F196 D371	F196 D371
BS07	ACI	A	Y101 H141 D230 E258 H328 D329	Y101 H141 D230 E258 H328 D329
BS08	CA	A	N140 I191 D200 H234	N140 I191 D200 H234
BS09	CA	A	D27 N29 N32 N33 G51 D53	D27 N29 N32 N33 G51 D53

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

External links

• PDB: RCSB:3bmw, PDBe:3bmw, PDBj:3bmw
• PDBsum: 3bmw
• PubMed: 18422488
• UniProt: P26827|CDGT_THETU Cyclomaltodextrin glucanotransferase (Gene Name=amyA)