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5M2Q

Structure of cobinamide-bound BtuF mutant W66F, the periplasmic vitamin B12 binding protein in E.coli

Functional Information from GO Data
ChainGOidnamespacecontents
A0015889biological_processcobalamin transport
A0031419molecular_functioncobalamin binding
A0042597cellular_componentperiplasmic space
B0015889biological_processcobalamin transport
B0031419molecular_functioncobalamin binding
B0042597cellular_componentperiplasmic space
Functional Information from PDB Data
site_idAC1
Number of Residues20
Detailsbinding site for residue CBY A 301
ChainResidue
APRO31
ASER241
AASP242
AGLU245
AARG246
ACYN302
AHOH410
AHOH413
AHOH415
AHOH457
AHOH463
AALA32
AHOH550
ATYR50
APHE66
ATRP85
AGLY87
APHE162
APHE168
ATRP196

site_idAC2
Number of Residues4
Detailsbinding site for residue CYN A 302
ChainResidue
AGLU245
ACBY301
AHOH415
AHOH530

site_idAC3
Number of Residues6
Detailsbinding site for residue GOL A 303
ChainResidue
AMET105
ATRP106
AHOH437
BVAL104
BTRP106
BGOL303

site_idAC4
Number of Residues2
Detailsbinding site for residue GOL A 304
ChainResidue
AARG25
AVAL45

site_idAC5
Number of Residues19
Detailsbinding site for residue CBY B 301
ChainResidue
BPRO31
BALA32
BTYR50
BPHE66
BGLN67
BTRP85
BGLY87
BPHE162
BPHE168
BASP242
BGLU245
BARG246
BCYN302
BHOH406
BHOH422
BHOH467
BHOH471
BHOH510
BHOH529

site_idAC6
Number of Residues2
Detailsbinding site for residue CYN B 302
ChainResidue
BGLU245
BCBY301

site_idAC7
Number of Residues10
Detailsbinding site for residue GOL B 303
ChainResidue
AARG86
ATRP106
AGOL303
BTRP106
BVAL107
BASP108
BALA109
BALA118
BHOH478
BHOH501

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_01000","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"12468528","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1N4A","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues8
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_01000","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"12468528","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"12475936","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1N2Z","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1N4A","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsSite: {"description":"Important for BtuC binding","evidences":[{"source":"HAMAP-Rule","id":"MF_01000","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"12475936","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

249697

PDB entries from 2026-02-25

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