Loading
PDBj
MenuPDBj@FacebookPDBj@X(formerly Twitter)PDBj@BlueSkyPDBj@YouTubewwPDB FoundationwwPDBDonate
RCSB PDBPDBeBMRBAdv. SearchSearch help

4XNA

Crystal Structure of E. coli Aminopeptidase N in complex with L-Beta Homolysine

Functional Information from GO Data
ChainGOidnamespacecontents
A0004177molecular_functionaminopeptidase activity
A0005515molecular_functionprotein binding
A0005886cellular_componentplasma membrane
A0006508biological_processproteolysis
A0008233molecular_functionpeptidase activity
A0008237molecular_functionmetallopeptidase activity
A0008270molecular_functionzinc ion binding
A0016285molecular_functionalanyl aminopeptidase activity
A0016787molecular_functionhydrolase activity
A0042802molecular_functionidentical protein binding
A0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues4
Detailsbinding site for residue ZN A 901
ChainResidue
AHIS297
AHIS301
AGLU320
AB3K902

site_idAC2
Number of Residues17
Detailsbinding site for residue B3K A 902
ChainResidue
AGLU298
AHIS301
ALYS319
AGLU320
AASN373
ATYR376
ATYR381
AGLN821
AZN901
AMLI920
AHOH1129
AHOH1219
AGLU121
AALA262
AMET263
AGLU264
AHIS297

site_idAC3
Number of Residues5
Detailsbinding site for residue NA A 903
ChainResidue
AGLN19
AILE20
ALEU138
AHOH1390
AHOH1687

site_idAC4
Number of Residues6
Detailsbinding site for residue NA A 904
ChainResidue
ASER332
AASP333
AGLY335
AHOH1301
AHOH1530
AHOH1532

site_idAC5
Number of Residues5
Detailsbinding site for residue NA A 905
ChainResidue
ATYR185
AGLU264
AGLY305
AASN306
ALYS319

site_idAC6
Number of Residues6
Detailsbinding site for residue NA A 906
ChainResidue
ALEU551
ASER570
ATHR574
AHOH1338
AHOH1358
AHOH1692

site_idAC7
Number of Residues7
Detailsbinding site for residue GOL A 907
ChainResidue
AALA531
ALEU532
ATRP546
AASP566
AALA567
ASER570
AHOH1031

site_idAC8
Number of Residues7
Detailsbinding site for residue GOL A 908
ChainResidue
ALEU289
ASER336
AHIS672
AILE675
AHOH1250
AHOH1293
AHOH1312

site_idAC9
Number of Residues5
Detailsbinding site for residue GOL A 909
ChainResidue
AASN67
AASP68
ATHR91
AHOH1055
AHOH1533

site_idAD1
Number of Residues5
Detailsbinding site for residue GOL A 910
ChainResidue
AASP452
AGLN527
APRO528
AHOH1022
AHOH1041

site_idAD2
Number of Residues7
Detailsbinding site for residue GOL A 911
ChainResidue
ALEU61
AVAL62
ATRP74
AARG669
AGLU671
AGOL915
AHOH1094

site_idAD3
Number of Residues11
Detailsbinding site for residue GOL A 912
ChainResidue
APRO179
APHE180
APRO181
AARG307
AASP412
AGLY413
APRO592
AVAL593
AHIS594
AHOH1006
AHOH1476

site_idAD4
Number of Residues4
Detailsbinding site for residue GOL A 913
ChainResidue
ALYS501
APHE519
AVAL520
AHOH1381

site_idAD5
Number of Residues10
Detailsbinding site for residue GOL A 914
ChainResidue
APRO16
AASP17
ATYR18
APRO51
ALEU52
AARG53
ALEU132
AARG134
AHOH1001
AHOH1085

site_idAD6
Number of Residues10
Detailsbinding site for residue GOL A 915
ChainResidue
AVAL64
ATRP71
ATHR72
ATRP74
AARG669
AVAL670
AGLU671
AGOL911
AHOH1302
AHOH1406

site_idAD7
Number of Residues8
Detailsbinding site for residue MLI A 916
ChainResidue
AARG641
AGLU642
ATHR645
AARG686
APHE690
AALA722
AHOH1056
AHOH1145

site_idAD8
Number of Residues5
Detailsbinding site for residue MLI A 917
ChainResidue
AASP281
AASN709
ALYS738
ATRP739
AHOH1175

site_idAD9
Number of Residues10
Detailsbinding site for residue MLI A 918
ChainResidue
AHIS11
AARG14
AGLN467
AARG468
ATHR469
ALYS478
AGLN479
APRO480
AALA515
AHOH1191

site_idAE1
Number of Residues5
Detailsbinding site for residue MLI A 919
ChainResidue
AGLU671
AHIS672
AHOH1003
AHOH1094
AHOH1363

site_idAE2
Number of Residues8
Detailsbinding site for residue MLI A 920
ChainResidue
AMET260
AGLY261
AALA262
AARG293
AVAL294
ATYR381
AB3K902
AHOH1021

Functional Information from PROSITE/UniProt
site_idPS00142
Number of Residues10
DetailsZINC_PROTEASE Neutral zinc metallopeptidases, zinc-binding region signature. VIGHEYFHNW
ChainResidueDetails
AVAL294-TRP303

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"PubMed","id":"16885166","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"18416562","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"19622865","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues8
DetailsBinding site: {}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsSite: {"description":"Transition state stabilizer","evidences":[{"evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

242199

PDB entries from 2025-09-24

PDB statisticsPDBj update infoContact PDBjnumon