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Class: Mainly Beta (13760)
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Architecture: Beta Barrel (4804)
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Topology: Lipocalin (526)
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Homologous Superfamily: [code=2.40.128.30, no name defined] (148)
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Bantam,chickens (Gallus gallus) (1)
3FDCA:4-123; B:3-123CRYSTAL STRUCTURE OF AVIDIN
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Chicken (Gallus gallus) (26)
1AVDA:3-125; B:2-125THREE-DIMENSIONAL STRUCTURE OF THE TETRAGONAL CRYSTAL FORM OF EGG-WHITE AVIDIN IN ITS FUNCTIONAL COMPLEX WITH BIOTIN AT 2.7 ANGSTROMS RESOLUTION
1AVEA:3-125; B:3-125CRYSTAL STRUCTURE OF HEN EGG-WHITE APO-AVIDIN IN RELATION TO ITS THERMAL STABILITY PROPERTIES
1IJ8B:202-323; A:3-123CRYSTAL STRUCTURE OF LITE AVIDIN-BNI COMPLEX
1LDOA:3-123; B:203-323AVIDIN-NORBIOITN COMPLEX
1LDQB:203-323; A:4-123AVIDIN-HOMOBIOTIN COMPLEX
1LELB:203-323; A:3-123THE AVIDIN BCAP COMPLEX
1NQNA:2-123; B:203-323STRUCTURE OF AVM-W110K (W110K MUTANT OF AVIDIN)
1RAVA:2-125; B:2-125RECOMBINANT AVIDIN
1VYOA:3-123; B:2-123CRYSTAL STRUCTURE OF AVIDIN
1WBIB:2-121; G:2-121; C:1-121; D:1-121; E:1-121; H:2-122; A:1-123; F:1-123AVR2
1Y52X:3-122; Y:203-322STRUCTURE OF INSECT CELL (BACULOVIRUS) EXPRESSED AVR4 (C122S)-BIOTIN COMPLEX
1Y53X:3-122; Y:203-322CRYSTAL STRUCTURE OF BACTERIAL EXPRESSED AVIDIN RELATED PROTEIN 4 (AVR4) C122S
1Y55X:3-122; Y:203-322CRYSTAL STRUCTURE OF THE C122S MUTANT OF E. COLI EXPRESSED AVIDIN RELATED PROTEIN 4 (AVR4)-BIOTIN COMPLEX
2A5BA:1-124; B:1-124AVIDIN COMPLEXED WITH 8-OXODEOXYGUANOSINE
2A5CA:1-123; B:1-123STRUCTURE OF AVIDIN IN COMPLEX WITH THE LIGAND 8-OXODEOXYADENOSINE
2A8GA:3-123; B:3-123STRUCTURE OF AVIDIN IN COMPLEX WITH THE LIGAND DEOXYGUANOSINE
2AVIA:3-123; B:3-123THREE-DIMENSIONAL STRUCTURES OF AVIDIN AND THE AVIDIN-BIOTIN COMPLEX
2C1QA:1-125X-RAY STRUCTURE OF BIOTIN BINDING PROTEIN FROM CHICKEN
2C1SA:2-124; B:2-124X-RAY STRUCTURE OF BIOTIN BINDING PROTEIN FROM CHICKEN
2CAMA:2-125; B:2-125AVIDIN MUTANT (K3E,K9E,R26D,R124L)
2FHLA:3-122; B:203-322AVIDIN RELATED PROTEIN (AVR4)-BNA COMPLEX
2FHNX:4-121; Y:204-321AVIDIN RELATED PROTEIN AVR4 (C122S, K109I MUTANT) IN COMPLEX WITH BNA
2OF8A:3-122; B:203-322CRYSTAL STRUCTURE OF AVR4 (D39A/C122S)-BNA COMPLEX
2OF9A:3-122; B:203-322CRYSTAL STRUCTURE OF APO AVR4 (D39A/C122S)
2OFAB:204-322; A:3-122CRYSTAL STRUCTURE OF APO AVR4 (R112L,C122S)
2OFBB:204-322; A:3-122CRYSTAL STRUCTURE OF AVR4 (R112L/C122S)-BNA COMPLEX
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Cornucopia mushroom (Pleurotus cornucopiae) (1)
2ZSCA:2-124; B:2-124TAMAVIDIN2, NOVEL AVIDIN-LIKE BIOTIN-BINDING PROTEINS FROM AN EDIBLE MUSHROOM
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Streptomyces avidinii. Organism_taxid: 1895 (38)
1SLFD:13-133; B:13-135APOSTREPTAVIDIN, PH 5.6, TWO MOLECULES OF (SO4)2 BOUND AT THE BIOTIN BINDING SITE
1SREB:15-133; A:15-133CRYSTALLOGRAPHIC AND THERMODYNAMIC COMPARISON OF NATURAL AND SYNTHETIC LIGANDS BOUND TO STREPTAVIDIN
1SRFA:15-133; B:15-133STRUCTURE-BASED DESIGN OF SYNTHETIC AZOBENZENE LIGANDS FOR STREPTAVIDIN
1SRGA:15-133; B:15-133STRUCTURE-BASED DESIGN OF SYNTHETIC AZOBENZENE LIGANDS FOR STREPTAVIDIN
1SRHA:15-133; B:15-133STRUCTURE-BASED DESIGN OF SYNTHETIC AZOBENZENE LIGANDS FOR STREPTAVIDIN
1SRIA:13-133; B:13-133STRUCTURE-BASED DESIGN OF SYNTHETIC AZOBENZENE LIGANDS FOR STREPTAVIDIN
1SRJA:13-133; B:15-133STRUCTURE-BASED DESIGN OF SYNTHETIC AZOBENZENE LIGANDS FOR STREPTAVIDIN
1STPA:13-133STRUCTURAL ORIGINS OF HIGH-AFFINITY BIOTIN BINDING TO STREPTAVIDIN
2IZAA:13-133APOSTREPTAVIDIN PH 2.00 I4122 STRUCTURE
2IZBA:13-134APOSTREPTAVIDIN PH 3.12 I4122 STRUCTURE
2IZCD:13-133; B:13-135APOSTREPTAVIDIN PH 2.0 I222 COMPLEX
2IZDD:13-133; B:13-135APOSTREPTAVIDIN PH 3.0 I222 COMPLEX
2IZED:13-133; B:13-134APOSTREPTAVIDIN PH 3.08 I222 COMPLEX
2IZFD:13-133; B:13-135STREPTAVIDIN-BIOTIN PH 4.0 I222 COMPLEX
2IZGD:13-133; B:13-135STREPTAVIDIN-BIOTIN PH 2.0 I222 COMPLEX
2IZHB:13-134; D:13-134STREPTAVIDIN-BIOTIN PH 10.44 I222 COMPLEX
2IZIA:13-134STREPTAVIDIN-BIOTIN PH 2.53 I4122 STRUCTURE
2IZJA:13-134STREPTAVIDIN-BIOTIN PH 3.50 I4122 STRUCTURE
2IZKA:13-135STREPTAVIDIN-GLYCOLURIL PH 2.58 I4122 COMPLEX
2IZLD:13-133; B:13-134STREPTAVIDIN-2-IMINOBIOTIN PH 7.3 I222 COMPLEX
2RTAA:13-133APOSTREPTAVIDIN, PH 2.97, SPACE GROUP I4122
2RTBD:13-133; B:13-135APOSTREPTAVIDIN, PH 3.32, SPACE GROUP I222
2RTCD:13-133; B:13-135APOSTREPTAVIDIN, PH 3.60, SPACE GROUP I222
2RTDD:13-133; B:13-135STREPTAVIDIN-BIOTIN COMPLEX, PH 1.39, SPACE GROUP I222
2RTED:13-133; B:13-135STREPTAVIDIN-BIOTIN COMPLEX, PH 1.90, SPACE GROUP I222
2RTFD:13-133; B:13-135STREPTAVIDIN-BIOTIN COMPLEX, PH 2.00, SPACE GROUP I222
2RTGD:13-133; B:13-135STREPTAVIDIN-BIOTIN COMPLEX, PH 2.40, SPACE GROUP I222
2RTHD:13-133; B:13-135STREPTAVIDIN-GLYCOLURIL COMPLEX, PH 2.50, SPACE GROUP I222
2RTID:13-133; B:13-135STREPTAVIDIN-GLYCOLURIL COMPLEX, PH 2.50, SPACE GROUP I222
2RTJA:13-135STREPTAVIDIN-GLYCOLURIL COMPLEX, PH 2.50, SPACE GROUP I4122
2RTKA:13-135STREPTAVIDIN-GLYCOLURIL COMPLEX, PH 2.58, SPACE GROUP I4122 PREPARED FROM AN APOSTREPTAVIDIN CRYSTAL
2RTLA:13-135STREPTAVIDIN-2-IMINOBIOTIN-SULFATE COMPLEX, PH 2.50, SPACE GROUP I4122
2RTMA:13-135STREPTAVIDIN-2-IMINOBIOTIN-SULFATE COMPLEX, PH 3.50, SPACE GROUP I4122
2RTND:13-133; B:13-135STREPTAVIDIN-2-IMINOBIOTIN COMPLEX, PH 2.0, SPACE GROUP I222
2RTOD:13-133; B:13-135STREPTAVIDIN-2-IMINOBIOTIN COMPLEX, PH 2.6, SPACE GROUP I222
2RTPD:13-133; B:13-135STREPTAVIDIN-2-IMINOBIOTIN COMPLEX, PH 3.25, SPACE GROUP I222
2RTQD:13-133; B:13-135STREPTAVIDIN-2-IMINOBIOTIN COMPLEX, PH 3.25, SPACE GROUP I222, CRYSTALLIZED FROM 4.3 M AMMONIUM SULFATE
2RTRD:13-133; B:13-135STREPTAVIDIN-2-IMINOBIOTIN COMPLEX, PH 4.0, SPACE GROUP I222
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Streptomyces avidinii. Organism_taxid: 1895. (7)
1VWJD:13-133; B:13-135STREPTAVIDIN-CYCLO-[5-S-VALERAMIDE-HPQGPPC]K-NH2, PH 2.5, I222 COMPLEX
1VWKD:13-133; B:13-135STREPTAVIDIN-CYCLO-[5-S-VALERAMIDE-HPQGPPC]K-NH2
1VWLD:13-133; B:13-135STREPTAVIDIN-CYCLO-[5-S-VALERAMIDE-HPQGPPC]K-NH2, PH 3.5, I222 COMPLEX
1VWOB:13-133STREPTAVIDIN COMPLEXED WITH CYCLO-AC-[CHPQGPPC]-NH2 MONOMER, PH 2.85
1VWPB:13-133STREPTAVIDIN COMPLEXED WITH CYCLO-AC-[CHPQGPPC]-NH2 MONOMER, PH 2.5
1VWQB:13-133STREPTAVIDIN-CYCLO-[5-S-VALERAMIDE-HPQGPPC]K-NH2, PH 2.5, I4122 COMPLEX
1VWRB:13-133STREPTAVIDIN-CYCLO-[5-S-VALERAMIDE-HPQGPPC]K-NH2, PH 3.5, I4122 COMPLEX
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Streptomyces avidinii. Organism_taxid: 1895. (29)
1MEPA:16-134; B:16-133; C:16-133; D:16-133CRYSTAL STRUCTURE OF STREPTAVIDIN DOUBLE MUTANT S45A/D128A WITH BIOTIN: COOPERATIVE HYDROGEN-BOND INTERACTIONS IN THE STREPTAVIDIN-BIOTIN SYSTEM.
1MK5B:16-135; A:14-134WILDTYPE CORE-STREPTAVIDIN WITH BIOTIN AT 1.4A.
1MM9A:16-139STREPTAVIDIN MUTANT WITH INSERTION OF FIBRONECTIN HEXAPEPTIDE, INCLUDING RGD
1MOYA:16-139STREPTAVIDIN MUTANT WITH OSTEOPONTIN HEXAPEPTIDE INSERTION INCLUDING RGD
1N43B:16-133; C:16-133; D:16-133; A:16-132STREPTAVIDIN MUTANT N23A WITH BIOTIN AT 1.89A
1N4JA:16-133STREPTAVIDIN MUTANT N23A AT 2.18A
1N7YC:16-134; B:16-133; D:16-134; A:16-135STREPTAVIDIN MUTANT N23E AT 1.96A
1N9MA:14-134; B:16-132; D:13-135; C:13-139STREPTAVIDIN MUTANT S27A WITH BIOTIN AT 1.6A RESOLUTION
1N9YD:16-134; A:16-136; B:14-134; C:16-134STREPTAVIDIN MUTANT S27A AT 1.5A RESOLUTION
1NBXA:16-135; B:16-133; D:16-133; C:16-133STREPTAVIDIN MUTANT Y43A AT 1.70A RESOLUTION
1NC9A:16-135; B:16-133; C:16-133; D:16-133STREPTAVIDIN MUTANT Y43A WITH IMINOBIOTIN AT 1.8A RESOLUTION
1NDJA:16-132; B:16-132; C:16-132; D:16-132STREPTAVIDIN MUTANT Y43F WITH BIOTIN AT 1.81A RESOLUTION
1PTSA:13-133; B:13-133CRYSTAL STRUCTURE AND LIGAND BINDING STUDIES OF A SCREENED PEPTIDE COMPLEXED WITH STREPTAVIDIN
1SLDB:13-133STREPTAVIDIN, PH 7.5, BOUND TO CYCLIC DISULFIDE-BONDED PEPTIDE LIGAND AC-CHPQFC-NH2
1SLEB:13-133; D:13-133STREPTAVIDIN, PH 5.0, BOUND TO CYCLIC PEPTIDE AC-CHPQGPPC-NH2
1SLGD:13-133; B:13-135STREPTAVIDIN, PH 5.6, BOUND TO PEPTIDE FCHPQNT
1STRD:13-133; B:13-135STREPTAVIDIN DIMERIZED BY DISULFIDE-BONDED PEPTIDE AC-CHPQNT-NH2 DIMER
1STSD:13-133; B:13-135STREPTAVIDIN DIMERIZED BY DISULFIDE-BONDED PEPTIDE FCHPQNT-NH2 DIMER
1VWAD:13-133; B:13-135STREPTAVIDIN-FSHPQNT
1VWBB:13-135STREPTAVIDIN-CYCLO-AC-[CHPQFC]-NH2, PH 11.8
1VWCB:13-133STREPTAVIDIN-CYCLO-AC-[CHPQFC]-NH2, PH 2.0
1VWDB:13-133STREPTAVIDIN-CYCLO-AC-[CHPQFC]-NH2, PH 3.0
1VWEB:13-133STREPTAVIDIN-CYCLO-AC-[CHPQFC]-NH2, PH 3.6
1VWFB:13-133STREPTAVIDIN COMPLEXED WITH CYCLO-AC-[CHPQGPPC]-NH2 MONOMER, PH 3.67
1VWGB:13-133STREPTAVIDIN COMPLEXED WITH THE HEAD-TO-TAIL DISULFIDE-BONDED PEPTIDE DIMER OF CYCLO-AC-[CHPQGPPC]-NH2, PH 2.5
1VWHB:13-133STREPTAVIDIN COMPLEXED WITH THE HEAD-TO-TAIL DISULFIDE-BONDED PEPTIDE DIMER OF CYCLO-AC-[CHPQGPPC]-NH2, PH 3.5
1VWID:13-133; B:13-135STREPTAVIDIN-CYCLO-[5-S-VALERAMIDE-HPQGPPC]K-NH2, PH 1.5, I222 COMPLEX
1VWMB:13-133STREPTAVIDIN-CYCLO-AC-[CHPQFC]-NH2, PH 4.2
1VWNB:13-133STREPTAVIDIN-CYCLO-AC-[CHPQFC]-NH2, PH 4.8
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Streptomyces avidinii. Organism_taxid: 1895. (44)
1DF8B:16-135; A:16-133S45A MUTANT OF STREPTAVIDIN IN COMPLEX WITH BIOTIN
1HQQA:16-134; B:16-134; C:16-134; D:16-134MINIPROTEIN MP-2 (M9A) COMPLEX WITH STREPTAVIDIN
1HXLA:16-134; B:16-134MINIPROTEIN MP-2 (V10A) COMPLEX WITH STREPTAVIDIN
1HXZA:13-133; B:13-133MINIPROTEIN MP-2 COMPLEX WITH STREPTAVIDIN
1HY2A:13-135; B:13-135; C:13-135; D:13-135MINIPROTEIN MP-1 COMPLEX WITH STREPTAVIDIN
1I9HA:15-135; B:213-335CORE STREPTAVIDIN-BNA COMPLEX
1KFFC:16-134; D:16-134; A:16-135; B:15-134AN ENGINEERED STREPTAVIDIN WITH IMPROVED AFFINITY FOR THE STREP-TAG II PEPTIDE: APO-SAM1
1KL3D:16-134; B:15-134; C:15-134; A:16-136AN ENGINEERED STREPTAVIDIN WITH IMPROVED AFFINITY FOR THE STREP-TAG II PEPTIDE : SAM1-STREPII
1KL4C:16-134; D:16-134; A:16-135; B:15-134AN ENGINEERED STREPTAVIDIN WITH IMPROVED AFFINITY FOR THE STREP-TAG II PEPTIDE : APO-SAM2
1KL5D:16-134; B:15-134; C:15-134; A:16-136AN ENGINEERED STREPTAVIDIN WITH IMPROVED AFFINITY FOR THE STREP-TAG II PEPTIDE : SAM2-STREPII
1LCVB:216-333; A:15-135STREPTAVIDIN-NORBIOTIN COMPLEX
1LCWA:16-134; B:216-334STREPTAVIDIN-HOMOBIOTIN COMPLEX
1LCZA:16-134; B:216-333STREPTAVIDIN-BCAP COMPLEX
1LUQA:1016-1134; B:2016-2135FULL MATRIX ERROR ANALYSIS OF STREPTAVIDIN
1NQMB:216-334; C:416-534; D:616-735; A:16-133STRUCTURE OF SAVM-W120K, STREPTAVIDIN MUTANT
1RSTB:13-135COMPLEX BETWEEN STREPTAVIDIN AND THE STREP-TAG PEPTIDE
1RSUB:13-135COMPLEX BETWEEN STREPTAVIDIN AND THE STREP-TAG II PEPTIDE
1RXHA:15-132; B:215-335CRYSTAL STRUCTURE OF STREPTAVIDIN MUTANT L124R (M1) COMPLEXED WITH BIOTINYL P-NITROANILIDE (BNI)
1RXJA:16-135; B:16-134; D:16-135; C:16-133CRYSTAL STRUCTURE OF STREPTAVIDIN MUTANT (M2) WHERE THE L3, 4 LOOP WAS REPLACE BY THAT OF AVIDIN
1RXKA:15-135; B:14-134CRYSTAL STRUCTURE OF STREPTAVIDIN MUTANT (M3) A COMBINATION OF M1+M2
1SWAA:16-135; B:16-133; C:16-133; D:16-133APO-CORE-STREPTAVIDIN AT PH 4.5
1SWBA:16-135; B:16-133; C:16-133; D:16-133APO-CORE-STREPTAVIDIN AT PH 7.5
1SWCB:16-132; D:16-132; A:16-132; C:16-132APO-CORE-STREPTAVIDIN AT PH 4.5
1SWDD:16-133; A:16-132; C:16-133; B:16-133APO-CORE-STREPTAVIDIN IN COMPLEX WITH BIOTIN (TWO UNOCCUPIED BINDING SITES) AT PH 4.5
1SWEB:16-133; C:16-133; D:16-133; A:16-132APO-CORE-STREPTAVIDIN IN COMPLEX WITH BIOTIN AT PH 4.5
1SWFA:52-45; D:52-45; B:52-45; C:52-45CIRCULAR PERMUTED STREPTAVIDIN E51/A46
1SWGD:51-45; C:52-46; A:52-46; B:52-46CIRCULAR PERMUTED STREPTAVIDIN E51/A46 IN COMPLEX WITH BIOTIN
1SWHB:16-133; C:16-133; D:16-133; A:16-135CORE-STREPTAVIDIN MUTANT W79F AT PH 4.5
1SWJB:16-133; C:16-132; D:16-133; A:16-132CORE-STREPTAVIDIN MUTANT W79F AT PH 4.5
1SWKA:16-132; B:16-132; C:16-132; D:16-132CORE-STREPTAVIDIN MUTANT W79F IN COMPLEX WITH BIOTIN AT PH 4.5
1SWLA:16-134; B:16-133; C:16-133; D:16-133CORE-STREPTAVIDIN MUTANT W108F AT PH 7.0
1SWNA:16-135; C:16-133; D:16-133; B:16-133CORE-STREPTAVIDIN MUTANT W108F IN COMPLEX WITH BIOTIN AT PH 7.0
1SWOA:16-135; B:16-133; C:16-133; D:16-133CORE-STREPTAVIDIN MUTANT W120F AT PH 7.5
1SWPA:16-132; B:16-132; C:16-132; D:16-132CORE-STREPTAVIDIN MUTANT W120F IN COMPLEX WITH BIOTIN AT PH 7.5
1SWQB:16-133; D:16-133; A:16-135; C:16-133CORE-STREPTAVIDIN MUTANT W120A AT PH 7.5
1SWRB:16-133; C:16-133; D:16-133; A:16-132CORE-STREPTAVIDIN MUTANT W120A IN COMPLEX WITH BIOTIN AT PH 7.5
1SWSB:16-132; A:16-132; C:16-132; D:16-132CORE-STREPTAVIDIN MUTANT D128A AT PH 4.5
1SWTA:16-133; B:16-132CORE-STREPTAVIDIN MUTANT D128A IN COMPLEX WITH BIOTIN AT PH 4.5
1SWUA:16-135; B:15-133; D:16-133; C:16-133STREPTAVIDIN MUTANT Y43F
2BC3B:14-156; A:13-159T7-TAGGED FULL-LENGTH STREPTAVIDIN
2F01B:16-135; A:14-134EPI-BIOTIN COMPLEX WITH CORE STREPTAVIDIN
2G5LA:15-135; B:16-134STREPTAVIDIN IN COMPLEX WITH NANOTAG
2GH7B:16-135; A:14-134EPI-BIOTIN COMPLEX WITH CORE STREPTAVIDIN
2QCBA:13-134T7-TAGGED FULL-LENGTH STREPTAVIDIN COMPLEXED WITH RUTHENIUM LIGAND
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Western clawed frog (Xenopus tropicalis) (2)
2UYWA:4-122; D:5-123CRYSTAL STRUCTURE OF XENAVIDIN
2UZ2D:5-123; A:4-122CRYSTAL STRUCTURE OF XENAVIDIN