Protein

Validated by sequence identity RBP function shown
View in Explore
Genbank accession
YP_009302756.1 [GenBank]
Protein name
Kpv71_52 (tail fiber protein)
RBP type
TSP
Evidence DepoCatalog
Probability 1,00
TSP
Evidence DepoScope
Probability 1,00
TF
Evidence GenBank
Probability 1,00
TF
Evidence Phold
Probability 1,00
TSP
Evidence RBPdetect
Probability 0,91
TSP
Evidence RBPdetect2
Probability 0,98
Seq2Symm
C3 confidence 0,672
C3 0,672
C1 0,242
C2 0,133
Predicted homo-oligomer symmetry (Seq2Symm, per-class probabilities; C1 = monomer, C2 = dimer, C3 = trimer).
Protein sequence
MALIRLVAPGRVFSDLASMVAYPNFQVQDKITLLGSAGGDFTFTTTASVVDNGTVFAVPGGYLLRKFVGPAYSSWFSNWTGIVTFMSAPNRHLVVDTVLQATSVLNIKSNSTLEFTDTGRILPDAAVARQVLNIIGSAPSVFVPLAADAAAGSKVITVAAGALSAVKGTYLYLRSNGLCDGGPNTYGVKISQIRKVVGVSTSGGVTSIRLDKALHYNYYLSDAAEVGIPTMVENVTLVSPYINEFGYDDLNRFFTIGISANFAADLHIQDGVIIGNKRPGASDIEGRSAIKFNNCVDSTVKGTCFYNIGWYGVEVLGCSEDTEVHDIHAMDVRHAISLNWQSTADGDKWGEPIEFLGVNCEAYNTTQAGFDTHDIGKRVKFVRCVSYDSADDGFQARTNGVEYLNCRAYRAAMDGFASNTGVAFPIYRECLAYDNVRSGFNCSYGGGYVYDCEAHGSQDGVRINGGRVKGGRYTRNSRSHIFVTKDVAETAQTSLEIDGVRMRYDGTGRAAYFHGTMGIDPTLVSMSNNDMTGHGLFWALLSGYTVQPTPPRMSRNLLDDTGIRGVATLVAGKATVNARVRGNFGSVANSFKWVSEVKLTRLTFPSSAGALTVTSVAQNQDVPTPNPDLNSFVIRSSNTADVSQVAWEVYL
Physico‐chemical
properties
protein length:651 AA
molecular weight: 70021,90960 Da
isoelectric point:6,14625
aromaticity:0,09985
hydropathy:-0,02995

Domains

View on InterPro
Domain architecture
YP_009302756.1
1 651 aa
ENZ 1–71 · ENZ 141–230 · STR 358–568 · ENZ 569–649 ·
ATT Attachment Domain STR Structural Domain RBD Receptor-Binding Domain CBM Carbohydrate-Binding Module LEC Lectin-like Domain ENZ Enzymatic Domain CHP Intramolecular Chaperone LNK Linker/Spacer Domain TAS Tail-Associated Structural TTP Tail Tubular Protein UNK Uncharacterized Domain Unmapped
Proteins with similar domain architecture

Tail Spike Domain Segmentation

Segmented into three structural domains: N-terminal, central, and C-terminal.

Domain layout
YP_009302756.1
1 651 aa
Domain Start End Length (AA) Confidence
N-terminal 1 77 77 0,9863
Central domain 78 564 488 0,9945
C-terminal 565 651 86 0,9695
N-terminal Central domain C-terminal

View these domains on the 3D structure via the Color by → Tail spike option in the Tertiary structure section below.

Taxonomy

Phage
Klebsiella phage KpV71 [NCBI] · taxon 1796998
Uroviricota Caudoviricetes Autographivirales Slopekvirinae Drulisvirus
Host
Klebsiella pneumoniae [NCBI] · taxon 573
cellular organisms Bacteria Pseudomonadati Pseudomonadota Gammaproteobacteria Enterobacterales

Coding sequence (CDS)

Genbank protein accession
YP_009302756.1 [NCBI]
Genbank nucleotide accession
NC_031246.1 [NCBI]
CDS location
range 40466 -> 42421
strand +
CDS
ATGGCATTAATTAGATTAGTAGCTCCCGGGCGGGTGTTCTCCGACTTGGCGAGCATGGTAGCATACCCAAACTTTCAGGTGCAGGACAAGATTACCCTGCTGGGCAGTGCCGGTGGGGATTTCACCTTTACTACTACTGCGTCGGTAGTGGATAACGGAACCGTGTTTGCTGTACCCGGTGGGTACCTGCTACGTAAATTCGTGGGCCCAGCATACAGCTCCTGGTTCAGCAACTGGACGGGCATAGTCACGTTCATGAGCGCGCCTAATAGGCACCTGGTTGTGGACACGGTCCTGCAGGCCACGAGCGTGCTCAACATCAAAAGCAACTCTACGCTAGAGTTTACCGATACCGGAAGAATCCTACCGGATGCTGCGGTTGCACGTCAAGTGCTTAATATTATCGGCTCGGCACCCTCGGTGTTCGTACCGTTAGCAGCGGATGCCGCGGCGGGCAGTAAAGTCATTACGGTGGCTGCTGGGGCTTTGTCTGCGGTAAAAGGTACGTACTTGTATCTTCGCTCTAACGGGCTGTGTGATGGTGGTCCTAACACCTATGGTGTAAAGATTTCCCAGATTAGGAAAGTGGTGGGGGTTAGCACCTCCGGTGGCGTCACCAGTATTCGGCTGGATAAAGCGCTGCACTATAACTACTACCTGTCTGATGCCGCGGAAGTAGGTATCCCGACAATGGTGGAGAACGTAACCTTAGTATCCCCGTACATCAACGAGTTCGGCTACGACGACTTGAACCGGTTCTTTACTATCGGTATCTCCGCCAACTTCGCTGCGGACTTGCACATCCAGGACGGGGTTATTATTGGCAACAAACGCCCGGGGGCTTCTGATATAGAAGGGCGTAGTGCTATCAAGTTCAATAACTGCGTAGACAGCACCGTTAAGGGCACGTGCTTCTACAACATCGGATGGTACGGGGTAGAGGTGCTCGGCTGCTCAGAGGACACGGAAGTACACGATATCCACGCTATGGACGTACGCCACGCAATCTCTCTGAACTGGCAGAGCACTGCAGACGGGGACAAATGGGGAGAGCCTATAGAGTTCTTAGGCGTTAACTGCGAAGCCTACAACACAACCCAGGCCGGGTTTGATACTCATGACATTGGTAAGCGTGTGAAGTTCGTTCGCTGCGTTTCGTACGACAGTGCTGACGATGGGTTCCAAGCGCGCACTAACGGGGTGGAGTACTTGAACTGTCGAGCTTACCGTGCAGCTATGGACGGGTTCGCCTCCAACACCGGTGTAGCCTTCCCTATCTATAGGGAGTGCCTAGCTTATGACAACGTACGCTCTGGCTTTAACTGCTCGTACGGCGGTGGCTACGTTTATGACTGTGAGGCTCACGGTAGCCAGGATGGTGTGCGAATCAACGGGGGCCGTGTTAAGGGTGGTCGGTACACCCGCAACTCCAGATCTCACATCTTCGTCACTAAGGACGTAGCTGAGACAGCGCAGACATCCTTGGAGATTGATGGCGTGCGCATGCGCTACGACGGTACCGGGAGAGCTGCGTACTTCCACGGGACTATGGGCATTGACCCTACCCTGGTATCTATGTCCAATAACGACATGACCGGTCACGGCTTGTTCTGGGCATTGCTGAGCGGCTACACTGTTCAACCTACGCCTCCGCGCATGTCCAGGAACTTACTGGATGACACAGGTATCCGTGGAGTGGCAACGCTGGTTGCTGGCAAGGCTACAGTCAACGCCCGTGTACGCGGAAACTTTGGCAGCGTAGCTAACTCCTTCAAGTGGGTGTCTGAGGTTAAGTTGACGCGGTTGACCTTTCCCTCTAGTGCTGGGGCCTTGACGGTTACTAGCGTAGCTCAGAACCAGGATGTGCCTACACCTAATCCGGACCTAAACAGCTTCGTGATTAGGAGCAGTAACACAGCGGACGTATCCCAGGTAGCCTGGGAGGTGTATCTCTAA

Genome Context

Tertiary structure

YP_009302756.1
1 / 2
Structure ID
Source
Method
Resolution
Oligomeric state

Experimental validation

Validated by sequence identity

The evidence was produced on a different entry with an identical sequence. Strong, but the experiment was not done on this protein.

Tier Source Assay Claim Reference
Validated by sequence identity GO
GO:0098996
 GO:IDA RBP symbiont entry into host cell via disruption of host cell glycocalyx ECO:0000314
Validated by sequence identity UniProt
A0A142F121
 ECO:0000269:FUNCTION:28988127 RBP Functions as a receptor binding protein (RBP) and mediates the attachment to the host capsular exopolysaccharides (By similarity). Displays a lyase activity that specifically degrades the K1-type polysaccharides of Klebsiella pneumoniae capsule (PubMed:28988127) PMID 28988127
Literature-linked bioRxiv
https://doi.org/10.1101/2025.09.09.675204
 literature_xref DepoCatalog: Mapping the Diversity of 105 Recombinant Klebsiella Phage Depolymerases Across Sequence, Structure, and Substrate Specificity PMID https://doi.org/10.1101/2025.09.09.675204

Rows marked “Validated by sequence identity” come from a different entry carrying the same sequence — the experiment was not performed on this protein.

Literature

Title Authors Date PMID Source
Complete genome sequence of bacteriophage vB_KpnP_KpV71 lytic for Klebsiella pneumoniae Komisarova,E.V., Krasilnikova,V.M., Kislichkina,A.A., Myakinina,V.P. and Volozhantsev,N.V. 2017-09-14 — GenBank
DepoCatalog: Mapping the Diversity of 105 Recombinant Klebsiella Phage Depolymerases Across Sequence, Structure, and Substrate Specificity DepoCatalog: Mapping the Diversity of 105 Recombinant Klebsiella Phage Depolymerases Across Sequence, Structure, and Substrate Specificity — https://doi.org/10.1101/2025.09.09.675204 bioRxiv