Loading
PDBj
MenuPDBj@FacebookPDBj@TwitterPDBj@YouTubewwPDB FoundationwwPDB
RCSB PDBPDBeBMRBAdv. SearchSearch help

1CXF

COMPLEX OF A (D229N/E257Q) DOUBLE MUTANT CGTASE FROM BACILLUS CIRCULANS STRAIN 251 WITH MALTOTETRAOSE AT 120 K AND PH 9.1 OBTAINED AFTER SOAKING THE CRYSTAL WITH ALPHA-CYCLODEXTRIN

Functional Information from GO Data
ChainGOidnamespacecontents
A0003824molecular_functioncatalytic activity
A0004556molecular_functionalpha-amylase activity
A0005576cellular_componentextracellular region
A0005975biological_processcarbohydrate metabolic process
A0016740molecular_functiontransferase activity
A0016757molecular_functionglycosyltransferase activity
A0030246molecular_functioncarbohydrate binding
A0043169molecular_functioncation binding
A0043895molecular_functioncyclomaltodextrin glucanotransferase activity
A0046872molecular_functionmetal ion binding
A2001070molecular_functionstarch binding
Functional Information from PDB Data
site_id16
Number of Residues6
Details
ChainResidue
ASER382
ATRP616
ALYS651
ATRP662
AGLU663
AASN667

site_id26
Number of Residues7
Details
ChainResidue
ATHR598
AALA599
AGLY601
AASN603
AASN627
AGLN628
ATYR633

site_id36
Number of Residues10
Details
ChainResidue
ATYR301
AGLU411
AARG412
ATRP413
AILE414
AGLY446
AVAL448
ASER537
AALA539
AASP540

site_idCA1
Number of Residues6
Details
ChainResidue
AASP27
AASN29
AASN32
AASN33
AGLY51
AASP53

site_idCA2
Number of Residues4
Details
ChainResidue
AASN139
AILE190
AASP199
AHIS233

site_idCAT
Number of Residues3
Details
ChainResidue
AASN229
AGLN257
AASP328

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsACT_SITE: Nucleophile
ChainResidueDetails
AASN229

site_idSWS_FT_FI2
Number of Residues1
DetailsACT_SITE: Proton donor
ChainResidueDetails
AGLN257

site_idSWS_FT_FI3
Number of Residues21
DetailsBINDING:
ChainResidueDetails
AASP27
ASER145
AILE190
AASN193
AASP199
AARG227
ALYS232
AHIS233
AALA315
AHIS327
AASP371
AASN29
AARG375
AASP577
AASN32
AASN33
AGLY51
AASP53
ATYR100
AASN139
AHIS140

site_idSWS_FT_FI4
Number of Residues1
DetailsSITE: Transition state stabilizer => ECO:0000250
ChainResidueDetails
AASP328

Catalytic Information from CSA
site_idMCSA1
Number of Residues5
DetailsM-CSA 45
ChainResidueDetails
AARG227electrostatic stabiliser, hydrogen bond donor
AASN229nucleofuge, nucleophile
AGLN257hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor
AHIS327electrostatic stabiliser, hydrogen bond donor
AASP328electrostatic stabiliser, hydrogen bond acceptor

217705

PDB entries from 2024-03-27

PDB statisticsPDBj update infoContact PDBjnumon