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4XN4

Crystal Structure of Met260Ala mutant of E. coli Aminopeptidase N in complex with L-Methionine

Functional Information from GO Data
ChainGOidnamespacecontents
A0004177molecular_functionaminopeptidase activity
A0005515molecular_functionprotein binding
A0005886cellular_componentplasma membrane
A0006508biological_processproteolysis
A0008237molecular_functionmetallopeptidase activity
A0008270molecular_functionzinc ion binding
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
AMET902

site_idAC2
Number of Residues14
Detailsbinding site for residue MET A 902
ChainResidue
AHIS297
AGLU298
AHIS301
ALYS319
AGLU320
ATYR376
ATYR381
AZN901
AHOH1280
AGLU121
AALA260
AALA262
AMET263
AGLU264

site_idAC3
Number of Residues12
Detailsbinding site for residue MET A 903
ChainResidue
AGLN164
AASP452
AASP453
ATYR454
ATYR461
AGLN527
APRO528
ANA912
AMLI919
AHOH1023
AHOH1036
AHOH1113

site_idAC4
Number of Residues7
Detailsbinding site for residue MET A 904
ChainResidue
AARG728
AASP729
AGLN753
AHOH1381
AHOH1434
AHOH1576
AHOH1781

site_idAC5
Number of Residues12
Detailsbinding site for residue MET A 905
ChainResidue
AASP281
APHE704
AHIS705
AALA707
AALA713
AGLU734
ALYS738
ATRP739
AHOH1071
AHOH1784
AHOH1906
AHOH2141

site_idAC6
Number of Residues5
Detailsbinding site for residue NA A 906
ChainResidue
AHIS771
APHE774
AHOH1168
AHOH1641
AHOH1961

site_idAC7
Number of Residues5
Detailsbinding site for residue NA A 907
ChainResidue
AASN343
AARG346
AGLU615
AHOH1385
AHOH1973

site_idAC8
Number of Residues6
Detailsbinding site for residue NA A 908
ChainResidue
ASER332
AASP333
AGLY335
AHOH1665
AHOH1812
AHOH1949

site_idAC9
Number of Residues6
Detailsbinding site for residue NA A 909
ChainResidue
ATYR544
AHOH1459
AHOH1522
AHOH1946
AHOH2032
AHOH2124

site_idAD1
Number of Residues5
Detailsbinding site for residue NA A 910
ChainResidue
AHOH1620
AHOH2043
AHOH2151
AHOH2155
AHOH2224

site_idAD2
Number of Residues5
Detailsbinding site for residue NA A 911
ChainResidue
AGLN19
AILE20
ALEU138
AHOH1794
AHOH2049

site_idAD3
Number of Residues5
Detailsbinding site for residue NA A 912
ChainResidue
AASP453
ATYR454
AMET903
AHOH1036
AHOH2027

site_idAD4
Number of Residues5
Detailsbinding site for residue NA A 913
ChainResidue
AASP24
ALEU25
ATHR26
ATHR37
AHOH2078

site_idAD5
Number of Residues8
Detailsbinding site for residue GOL A 914
ChainResidue
ASER441
AGLN442
AGLN475
AGLU477
ALYS478
AGLN479
AHOH1056
AHOH1492

site_idAD6
Number of Residues3
Detailsbinding site for residue GOL A 915
ChainResidue
AGLN587
ALEU589
AHOH1535

site_idAD7
Number of Residues4
Detailsbinding site for residue GOL A 916
ChainResidue
ATYR376
ATYR381
AGLU382
AHOH1121

site_idAD8
Number of Residues9
Detailsbinding site for residue MLI A 917
ChainResidue
AARG641
AGLU642
ATHR645
AARG686
AALA722
AHOH1112
AHOH1246
AHOH1290
AHOH1664

site_idAD9
Number of Residues5
Detailsbinding site for residue MLI A 918
ChainResidue
ALEU61
AVAL62
ASER63
AARG669
AGLU671

site_idAE1
Number of Residues10
Detailsbinding site for residue MLI A 919
ChainResidue
AASP452
ATYR544
ALYS545
AGLN550
AMET903
AHOH1005
AHOH1023
AHOH1169
AHOH1463
AHOH1637

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
DetailsACT_SITE: Proton acceptor => ECO:0000305|PubMed:16885166, ECO:0000305|PubMed:18416562, ECO:0000305|PubMed:19622865
ChainResidueDetails
AGLU298

site_idSWS_FT_FI2
Number of Residues5
DetailsBINDING:
ChainResidueDetails
AHIS301
AGLU320
AGLU121
AGLY261
AHIS297

site_idSWS_FT_FI3
Number of Residues1
DetailsSITE: Transition state stabilizer => ECO:0000305
ChainResidueDetails
ATYR381

219869

PDB entries from 2024-05-15

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