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1TZN

Crystal Structure of the Anthrax Toxin Protective Antigen Heptameric Prepore bound to the VWA domain of CMG2, an anthrax toxin receptor

Functional Information from GO Data
ChainGOidnamespacecontents
A0005576cellular_componentextracellular region
A0051260biological_processprotein homooligomerization
B0005576cellular_componentextracellular region
B0051260biological_processprotein homooligomerization
C0005576cellular_componentextracellular region
C0051260biological_processprotein homooligomerization
D0005576cellular_componentextracellular region
D0051260biological_processprotein homooligomerization
E0005576cellular_componentextracellular region
E0051260biological_processprotein homooligomerization
F0005576cellular_componentextracellular region
F0051260biological_processprotein homooligomerization
G0005576cellular_componentextracellular region
G0051260biological_processprotein homooligomerization
H0005576cellular_componentextracellular region
H0051260biological_processprotein homooligomerization
I0005576cellular_componentextracellular region
I0051260biological_processprotein homooligomerization
J0005576cellular_componentextracellular region
J0051260biological_processprotein homooligomerization
K0005576cellular_componentextracellular region
K0051260biological_processprotein homooligomerization
L0005576cellular_componentextracellular region
L0051260biological_processprotein homooligomerization
M0005576cellular_componentextracellular region
M0051260biological_processprotein homooligomerization
O0005576cellular_componentextracellular region
O0051260biological_processprotein homooligomerization
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 736
ChainResidue
AASP177
AASP179
AASP181
AILE183
AGLU188
ACA737

site_idAC2
Number of Residues7
DetailsBINDING SITE FOR RESIDUE CA A 737
ChainResidue
ASER222
ALYS225
AASP235
ACA736
AASP179
AASP181
AGLU188

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MG A 738
ChainResidue
AASP683
aSER1052
aSER1054
aTHR1118
aASP1148

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA B 736
ChainResidue
BASP177
BASP179
BASP181
BILE183
BGLU188
BCA737

site_idAC5
Number of Residues7
DetailsBINDING SITE FOR RESIDUE CA B 737
ChainResidue
BASP179
BASP181
BGLU188
BSER222
BLYS225
BASP235
BCA736

site_idAC6
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MG B 738
ChainResidue
BASP683
bSER1052
bSER1054
bTHR1118
bASP1148

site_idAC7
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA C 736
ChainResidue
CASP177
CASP179
CASP181
CILE183
CGLU188
CCA737

site_idAC8
Number of Residues7
DetailsBINDING SITE FOR RESIDUE CA C 737
ChainResidue
CASP179
CASP181
CGLU188
CSER222
CLYS225
CASP235
CCA736

site_idAC9
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MG C 738
ChainResidue
CASP683
cSER1052
cSER1054
cTHR1118
cASP1148

site_idBC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA D 736
ChainResidue
DASP177
DASP179
DASP181
DILE183
DGLU188
DCA737

site_idBC2
Number of Residues7
DetailsBINDING SITE FOR RESIDUE CA D 737
ChainResidue
DASP179
DASP181
DGLU188
DSER222
DLYS225
DASP235
DCA736

site_idBC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MG D 738
ChainResidue
DASP683
dSER1052
dSER1054
dTHR1118
dASP1148

site_idBC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA E 736
ChainResidue
EASP177
EASP179
EASP181
EILE183
EGLU188
ECA737

site_idBC5
Number of Residues7
DetailsBINDING SITE FOR RESIDUE CA E 737
ChainResidue
EASP179
EASP181
EGLU188
ESER222
ELYS225
EASP235
ECA736

site_idBC6
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MG E 738
ChainResidue
EASP683
eSER1052
eSER1054
eTHR1118
eASP1148

site_idBC7
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA F 736
ChainResidue
FASP177
FASP179
FASP181
FILE183
FGLU188
FCA737

site_idBC8
Number of Residues7
DetailsBINDING SITE FOR RESIDUE CA F 737
ChainResidue
FSER222
FLYS225
FASP235
FCA736
FASP179
FASP181
FGLU188

site_idBC9
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MG F 738
ChainResidue
FASP683
fSER1052
fSER1054
fTHR1118
fASP1148

site_idCC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA G 736
ChainResidue
GASP177
GASP179
GASP181
GILE183
GGLU188
GCA737

site_idCC2
Number of Residues7
DetailsBINDING SITE FOR RESIDUE CA G 737
ChainResidue
GASP179
GASP181
GGLU188
GSER222
GLYS225
GASP235
GCA736

site_idCC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MG G 738
ChainResidue
GASP683
gSER1052
gSER1054
gTHR1118
gASP1148

site_idCC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA H 736
ChainResidue
HASP177
HASP179
HASP181
HILE183
HGLU188
HCA737

site_idCC5
Number of Residues7
DetailsBINDING SITE FOR RESIDUE CA H 737
ChainResidue
HASP179
HASP181
HGLU188
HSER222
HLYS225
HASP235
HCA736

site_idCC6
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MG H 738
ChainResidue
HASP683
hSER1052
hSER1054
hTHR1118
hASP1148

site_idCC7
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA I 736
ChainResidue
IASP177
IASP179
IASP181
IILE183
IGLU188
ICA737

site_idCC8
Number of Residues7
DetailsBINDING SITE FOR RESIDUE CA I 737
ChainResidue
IASP179
IASP181
IGLU188
ISER222
ILYS225
IASP235
ICA736

site_idCC9
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MG I 738
ChainResidue
IASP683
iSER1052
iSER1054
iTHR1118
iASP1148

site_idDC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA J 736
ChainResidue
JASP177
JASP179
JASP181
JILE183
JGLU188
JCA737

site_idDC2
Number of Residues7
DetailsBINDING SITE FOR RESIDUE CA J 737
ChainResidue
JASP179
JASP181
JGLU188
JSER222
JLYS225
JASP235
JCA736

site_idDC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MG J 738
ChainResidue
JASP683
jSER1052
jSER1054
jTHR1118
jASP1148

site_idDC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA K 736
ChainResidue
KASP177
KASP179
KASP181
KILE183
KGLU188
KCA737

site_idDC5
Number of Residues7
DetailsBINDING SITE FOR RESIDUE CA K 737
ChainResidue
KASP179
KASP181
KGLU188
KSER222
KLYS225
KASP235
KCA736

site_idDC6
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MG K 738
ChainResidue
KASP683
kSER1052
kSER1054
kTHR1118
kASP1148

site_idDC7
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA L 736
ChainResidue
LASP177
LASP179
LASP181
LILE183
LGLU188
LCA737

site_idDC8
Number of Residues7
DetailsBINDING SITE FOR RESIDUE CA L 737
ChainResidue
LASP179
LASP181
LGLU188
LSER222
LLYS225
LASP235
LCA736

site_idDC9
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MG L 738
ChainResidue
LASP683
lSER1052
lSER1054
lTHR1118
lASP1148

site_idEC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA M 736
ChainResidue
MASP177
MASP179
MASP181
MILE183
MGLU188
MCA737

site_idEC2
Number of Residues7
DetailsBINDING SITE FOR RESIDUE CA M 737
ChainResidue
MASP179
MASP181
MGLU188
MSER222
MLYS225
MASP235
MCA736

site_idEC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MG M 738
ChainResidue
MASP683
mSER1052
mSER1054
mTHR1118
mASP1148

site_idEC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA O 736
ChainResidue
OASP177
OASP179
OASP181
OILE183
OGLU188
OCA737

site_idEC5
Number of Residues7
DetailsBINDING SITE FOR RESIDUE CA O 737
ChainResidue
OASP179
OASP181
OGLU188
OSER222
OLYS225
OASP235
OCA736

site_idEC6
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MG O 738
ChainResidue
OASP683
oSER1052
oSER1054
oTHR1118
oASP1148

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues280
DetailsTransmembrane: {"description":"Beta stranded","evidences":[{"source":"PubMed","id":"25778700","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"32047164","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"3J9C","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6PSN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6UZB","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6UZD","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6UZE","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues112
DetailsRegion: {"description":"Alpha-clamp","evidences":[{"source":"PubMed","id":"21037566","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1498
DetailsRegion: {"description":"Domain 3, heptamerization","evidences":[{"source":"PubMed","id":"9039918","evidenceCode":"ECO:0000303"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1946
DetailsRegion: {"description":"Domain 4, binding to the receptor","evidences":[{"source":"PubMed","id":"9039918","evidenceCode":"ECO:0000303"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues42
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"15243628","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"15326297","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"21037566","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25778700","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"32047164","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9039918","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1ACC","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1T6B","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1TZN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1TZO","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3J9C","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3KWV","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6PSN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6UZB","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6UZD","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6UZE","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues14
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"15243628","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"15326297","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"21037566","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25778700","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"32047164","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9039918","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1ACC","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1T6B","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1TZO","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3J9C","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3KWV","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6PSN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6UZB","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6UZD","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6UZE","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues14
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"15326297","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"21037566","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25778700","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"32047164","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1ACC","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1TZN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1TZO","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3J9C","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3KWV","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6PSN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6UZB","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6UZD","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6UZE","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues28
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"15243628","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"15326297","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"21037566","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25778700","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"32047164","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1ACC","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1T6B","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1TZN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1TZO","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3J9C","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3KWV","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6PSN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6UZB","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6UZD","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6UZE","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues14
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"15243628","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"15326297","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"21037566","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"32047164","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1ACC","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1T6B","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1TZN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1TZO","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3KWV","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6PSN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6UZB","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6UZD","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6UZE","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues56
DetailsSite: {"description":"Alpha-clamp","evidences":[{"source":"PubMed","id":"21037566","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues14
DetailsSite: {"description":"Cleavage; by chymotrypsin; required for translocation of LF and EF","evidences":[{"source":"PubMed","id":"7961869","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues14
DetailsSite: {"description":"Essential for binding to cell receptor","evidences":[{"source":"PubMed","id":"12771151","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues2366
DetailsDomain: {"description":"VWFA","evidences":[{"source":"PROSITE-ProRule","id":"PRU00219","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI14
Number of Residues42
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"15079089","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1SHU","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1T6B","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI15
Number of Residues14
DetailsModified residue: {"description":"Phosphothreonine","evidences":[{"source":"PubMed","id":"19690332","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

250359

PDB entries from 2026-03-11

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