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

5M3B

Structure of cobinamide-bound BtuF mutant W66L, 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 Residues5
Detailsbinding site for residue CYN A 301
ChainResidue
AGLU245
ACBY302
ACYN303
AHOH414
AHOH553

site_idAC2
Number of Residues24
Detailsbinding site for residue CBY A 302
ChainResidue
ATRP85
AGLY87
APHE162
APHE168
ATRP196
AASP242
AGLU245
AARG246
ACYN301
ACYN303
AGOL304
AHOH402
AHOH417
AHOH427
AHOH434
AHOH454
AHOH506
AHOH548
AHOH561
AHOH571
APRO31
AALA32
ATYR50
ALEU66

site_idAC3
Number of Residues4
Detailsbinding site for residue CYN A 303
ChainResidue
ATRP85
ACYN301
ACBY302
AGOL304

site_idAC4
Number of Residues4
Detailsbinding site for residue GOL A 304
ChainResidue
ASER49
ALEU66
ACBY302
ACYN303

site_idAC5
Number of Residues24
Detailsbinding site for residue CBY B 301
ChainResidue
BPRO31
BALA32
BTYR50
BLEU66
BTRP85
BGLY87
BPHE162
BPHE168
BTRP196
BASP242
BGLU245
BARG246
BCYN302
BGOL303
BHOH408
BHOH412
BHOH423
BHOH430
BHOH441
BHOH484
BHOH494
BHOH531
BHOH575
BHOH576

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

site_idAC7
Number of Residues8
Detailsbinding site for residue GOL B 303
ChainResidue
BLEU29
BSER48
BSER49
BTYR50
BLEU66
BTRP85
BCBY301
BHOH406

site_idAC8
Number of Residues6
Detailsbinding site for residue GOL B 304
ChainResidue
BSER49
BTYR50
BGLN62
BHOH415
BHOH422
BHOH486

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

238895

PDB entries from 2025-07-16

PDB statisticsPDBj update infoContact PDBjnumon