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5M34

Structure of cobinamide-bound BtuF mutant W66Y, 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 Residues24
Detailsbinding site for residue CBY A 301
ChainResidue
APRO31
ASER241
AASP242
AGLU245
AARG246
ACYN302
AGOL303
AHOH426
AHOH431
AHOH465
AHOH475
AALA32
AHOH480
AHOH489
AHOH491
AHOH496
AHOH525
ATYR50
ATYR66
ATRP85
AGLY87
APHE162
APHE168
ATRP196

site_idAC2
Number of Residues3
Detailsbinding site for residue CYN A 302
ChainResidue
AGLU245
ACBY301
AHOH526

site_idAC3
Number of Residues7
Detailsbinding site for residue GOL A 303
ChainResidue
APRO31
ASER48
ASER49
ATYR66
ACBY301
AHOH424
AHOH440

site_idAC4
Number of Residues3
Detailsbinding site for residue CYN B 301
ChainResidue
BTRP85
BCBY302
BHOH465

site_idAC5
Number of Residues21
Detailsbinding site for residue CBY B 302
ChainResidue
BSER30
BPRO31
BALA32
BTYR50
BTYR66
BTRP85
BGLY87
BPHE162
BPHE168
BTRP196
BASP242
BGLU245
BARG246
BCYN301
BCYN303
BGOL304
BHOH434
BHOH440
BHOH456
BHOH467
BHOH490

site_idAC6
Number of Residues4
Detailsbinding site for residue CYN B 303
ChainResidue
BGLU245
BCBY302
BHOH477
BHOH502

site_idAC7
Number of Residues8
Detailsbinding site for residue GOL B 304
ChainResidue
BPRO31
BSER48
BSER49
BTHR65
BTYR66
BCBY302
BHOH428
BHOH465

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

247536

PDB entries from 2026-01-14

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