UniProtKB - P01058 (IBB1_PHAAN)
Protein
Bowman-Birk type proteinase inhibitor
Gene
N/A
Organism
Phaseolus angularis (Azuki bean) (Vigna angularis)
Status
Functioni
Trypsin and chymotrypsin are inhibited simultaneously. There are two separate reactive sites for trypsin and chymotrypsin but they do not inhibit simultaneously.
Sites
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Sitei | 26 – 27 | Reactive bond for trypsinBy similarity | 2 | |
Sitei | 53 – 54 | Reactive bond for chymotrypsinBy similarity | 2 |
GO - Molecular functioni
- serine-type endopeptidase inhibitor activity Source: UniProtKB-KW
Keywordsi
Molecular function | Protease inhibitor, Serine protease inhibitor |
Protein family/group databases
MEROPSi | I12.001 |
Names & Taxonomyi
Protein namesi | Recommended name: Bowman-Birk type proteinase inhibitor |
Organismi | Phaseolus angularis (Azuki bean) (Vigna angularis) |
Taxonomic identifieri | 3914 [NCBI] |
Taxonomic lineagei | Eukaryota › Viridiplantae › Streptophyta › Embryophyta › Tracheophyta › Spermatophyta › Magnoliopsida › eudicotyledons › Gunneridae › Pentapetalae › rosids › fabids › Fabales › Fabaceae › Papilionoideae › 50 kb inversion clade › NPAAA clade › indigoferoid/millettioid clade › Phaseoleae › Vigna |
Subcellular locationi
Extracellular region or secreted
- extracellular region Source: InterPro
PTM / Processingi
Molecule processing
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
ChainiPRO_0000105846 | 1 – 82 | Bowman-Birk type proteinase inhibitorAdd BLAST | 82 |
Amino acid modifications
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Disulfide bondi | 18 ↔ 72 | 1 Publication | ||
Disulfide bondi | 19 ↔ 34 | 1 Publication | ||
Disulfide bondi | 22 ↔ 68 | 1 Publication | ||
Disulfide bondi | 24 ↔ 32 | 1 Publication | ||
Disulfide bondi | 42 ↔ 49 | By similarity | ||
Disulfide bondi | 46 ↔ 61 | By similarity | ||
Disulfide bondi | 51 ↔ 59 | By similarity |
Keywords - PTMi
Disulfide bondStructurei
Secondary structure
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details3D structure databases
SMRi | P01058 |
ModBasei | Search... |
PDBe-KBi | Search... |
Miscellaneous databases
EvolutionaryTracei | P01058 |
Family & Domainsi
Sequence similaritiesi
Belongs to the Bowman-Birk serine protease inhibitor family.Curated
Family and domain databases
CDDi | cd00023, BBI, 1 hit |
Gene3Di | 2.10.69.10, 1 hit |
InterProi | View protein in InterPro IPR035995, Bowman-Birk_prot_inh IPR000877, Prot_inh_BBI |
Pfami | View protein in Pfam PF00228, Bowman-Birk_leg, 2 hits |
SMARTi | View protein in SMART SM00269, BowB, 1 hit |
SUPFAMi | SSF57247, SSF57247, 1 hit |
PROSITEi | View protein in PROSITE PS00281, BOWMAN_BIRK, 1 hit |
i Sequence
Sequence statusi: Complete.
P01058-1 [UniParc]FASTAAdd to basket
10 20 30 40 50
SGHHDETTDE PSESSKPCCD QCSCTKSMPP KCRCSDIRLN SCHSACKSCA
60 70 80
CTYSIPAKCF CTDINDFCYE PCKSSRDDDW DN
Experimental Info
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Sequence conflicti | 5 – 6 | DE → ED AA sequence (Ref. 2) Curated | 2 | |
Sequence conflicti | 23 | Missing AA sequence (Ref. 2) Curated | 1 | |
Sequence conflicti | 40 | N → D AA sequence (Ref. 2) Curated | 1 |
Natural variant
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Natural varianti | 1 – 9 | Missing in a shorter form. | 9 |
Sequence databases
PIRi | A90019, TIZB2 A91453, TIZB1 |
Similar proteinsi
Cross-referencesi
Sequence databases
PIRi | A90019, TIZB2 A91453, TIZB1 |
3D structure databases
Select the link destinations: PDBei RCSB PDBi PDBji Links Updated | PDB entry | Method | Resolution (Å) | Chain | Positions | PDBsum |
1TAB | X-ray | 2.30 | I | 1-82 | [»] | |
SMRi | P01058 | |||||
ModBasei | Search... | |||||
PDBe-KBi | Search... |
Protein family/group databases
MEROPSi | I12.001 |
Miscellaneous databases
EvolutionaryTracei | P01058 |
Family and domain databases
CDDi | cd00023, BBI, 1 hit |
Gene3Di | 2.10.69.10, 1 hit |
InterProi | View protein in InterPro IPR035995, Bowman-Birk_prot_inh IPR000877, Prot_inh_BBI |
Pfami | View protein in Pfam PF00228, Bowman-Birk_leg, 2 hits |
SMARTi | View protein in SMART SM00269, BowB, 1 hit |
SUPFAMi | SSF57247, SSF57247, 1 hit |
PROSITEi | View protein in PROSITE PS00281, BOWMAN_BIRK, 1 hit |
ProtoNeti | Search... |
MobiDBi | Search... |
Entry informationi
Entry namei | IBB1_PHAAN | |
Accessioni | P01058Primary (citable) accession number: P01058 | |
Entry historyi | Integrated into UniProtKB/Swiss-Prot: | July 21, 1986 |
Last sequence update: | July 21, 1986 | |
Last modified: | December 11, 2019 | |
This is version 90 of the entry and version 1 of the sequence. See complete history. | ||
Entry statusi | Reviewed (UniProtKB/Swiss-Prot) | |
Annotation program | Plant Protein Annotation Program |
Miscellaneousi
Keywords - Technical termi
3D-structure, Direct protein sequencingDocuments
- PDB cross-references
Index of Protein Data Bank (PDB) cross-references - SIMILARITY comments
Index of protein domains and families