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4HN1

Crystal Structure of H60N/Y130F double mutant of ChmJ, a 3'-monoepimerase from Streptomyces bikiniensis in complex with dTDP

Functional Information from GO Data
ChainGOidnamespacecontents
A0000271biological_processpolysaccharide biosynthetic process
A0005829cellular_componentcytosol
A0008830molecular_functiondTDP-4-dehydrorhamnose 3,5-epimerase activity
A0016853molecular_functionisomerase activity
A0016854molecular_functionracemase and epimerase activity
A0017000biological_processantibiotic biosynthetic process
A0019305biological_processdTDP-rhamnose biosynthetic process
B0000271biological_processpolysaccharide biosynthetic process
B0005829cellular_componentcytosol
B0008830molecular_functiondTDP-4-dehydrorhamnose 3,5-epimerase activity
B0016853molecular_functionisomerase activity
B0016854molecular_functionracemase and epimerase activity
B0017000biological_processantibiotic biosynthetic process
B0019305biological_processdTDP-rhamnose biosynthetic process
C0000271biological_processpolysaccharide biosynthetic process
C0005829cellular_componentcytosol
C0008830molecular_functiondTDP-4-dehydrorhamnose 3,5-epimerase activity
C0016853molecular_functionisomerase activity
C0016854molecular_functionracemase and epimerase activity
C0017000biological_processantibiotic biosynthetic process
C0019305biological_processdTDP-rhamnose biosynthetic process
D0000271biological_processpolysaccharide biosynthetic process
D0005829cellular_componentcytosol
D0008830molecular_functiondTDP-4-dehydrorhamnose 3,5-epimerase activity
D0016853molecular_functionisomerase activity
D0016854molecular_functionracemase and epimerase activity
D0017000biological_processantibiotic biosynthetic process
D0019305biological_processdTDP-rhamnose biosynthetic process
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE EDO A 301
ChainResidue
ATHR62
ATYR136
AALA137
APRO138
AHOH473

site_idAC2
Number of Residues8
DetailsBINDING SITE FOR RESIDUE EDO A 302
ChainResidue
AARG23
ASER24
BARG57
BTYD304
AHIS17
AASP19
AARG21
AGLY22

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE EDO A 303
ChainResidue
AGLN12
APHE28
AARG29
ASER32
ATYR71
AHOH401

site_idAC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE EDO A 304
ChainResidue
AMET1
ATRP10
AALA36
AHOH518
DASN169

site_idAC5
Number of Residues13
DetailsBINDING SITE FOR RESIDUE TYD A 305
ChainResidue
AGLN45
AARG57
ATYR136
AHOH450
AHOH486
AHOH487
AHOH509
BHIS17
BARG21
BGLU26
BEDO301
BHOH512
DVAL15

site_idAC6
Number of Residues4
DetailsBINDING SITE FOR RESIDUE THM A 306
ChainResidue
AARG95
ATRP96
AHOH415
AHOH525

site_idAC7
Number of Residues7
DetailsBINDING SITE FOR RESIDUE EDO B 301
ChainResidue
AARG57
ATYD305
BHIS17
BASP19
BARG21
BGLY22
BSER24

site_idAC8
Number of Residues6
DetailsBINDING SITE FOR RESIDUE EDO B 302
ChainResidue
BGLN12
BPHE28
BARG29
BSER32
BTYR71
BHOH414

site_idAC9
Number of Residues6
DetailsBINDING SITE FOR RESIDUE EDO B 303
ChainResidue
BTHR62
BGLN68
BTYR136
BALA137
BPRO138
BHOH467

site_idBC1
Number of Residues13
DetailsBINDING SITE FOR RESIDUE TYD B 304
ChainResidue
AHIS17
AARG21
AGLU26
AEDO302
AHOH503
BGLN45
BARG57
BTYR136
BARG166
BHOH448
BHOH493
BHOH506
CVAL15

site_idBC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE THM B 305
ChainResidue
BARG95
BTRP96
BHOH423
BHOH487

site_idBC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE EDO C 301
ChainResidue
CHIS17
CASP19
CGLY22
CSER24
CTYD303
DARG57

site_idBC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE EDO C 302
ChainResidue
CGLN12
CPHE28
CARG29
CPHE33
CTYR71

site_idBC5
Number of Residues13
DetailsBINDING SITE FOR RESIDUE TYD C 303
ChainResidue
DARG166
DHOH428
AVAL15
AHIS17
CHIS17
CARG21
CGLU26
CEDO301
CHOH424
CHOH428
DGLN45
DARG57
DTYR136

site_idBC6
Number of Residues13
DetailsBINDING SITE FOR RESIDUE TYD C 304
ChainResidue
BVAL15
BHIS17
CGLN45
CARG57
CTYR136
CARG166
CHOH438
CHOH441
CHOH442
DHIS17
DARG21
DGLU26
DEDO302

site_idBC7
Number of Residues3
DetailsBINDING SITE FOR RESIDUE TDR C 305
ChainResidue
CARG95
CTRP96
CHOH475

site_idBC8
Number of Residues6
DetailsBINDING SITE FOR RESIDUE EDO D 301
ChainResidue
DGLN12
DPHE28
DARG29
DSER32
DPHE33
DTYR71

site_idBC9
Number of Residues7
DetailsBINDING SITE FOR RESIDUE EDO D 302
ChainResidue
CARG57
CTYD304
DHIS17
DASP19
DARG21
DGLY22
DSER24

site_idCC1
Number of Residues3
DetailsBINDING SITE FOR RESIDUE TDR D 303
ChainResidue
DARG95
DTRP96
DHOH437

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"PubMed","id":"23116432","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsActive site: {"description":"Proton donor","evidences":[{"source":"PubMed","id":"23116432","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues24
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"23116432","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4HN1","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues8
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"23116432","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4HMZ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4HN1","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"Q9HU21","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues4
DetailsSite: {"description":"Participates in a stacking interaction with the thymidine ring of dTDP-4-oxo-6-deoxyglucose","evidences":[{"source":"PubMed","id":"23116432","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4HN1","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

249697

PDB entries from 2026-02-25

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