Phage RBP Database

Genbank accession

QBP28654.1 [GenBank]

Protein name

putative tail fiber protein

RBP type

TSP

Evidence RBPdetect

Probability 0,61

Seq2Symm

H confidence 0,984

H	0,984
C1	0,018
C2	0,005

Predicted homo-oligomer symmetry (Seq2Symm, per-class probabilities; C1 = monomer, C2 = dimer, C3 = trimer).

Protein sequence

MSSGAKVVAAFIRETTPGITPTAGAWNLLRRSSFGLKPTQNTNDNDEIAGDRMAQGVSRGTVDVGGDVGTRFRWNQHDDFLASCFGSEWVNNVLTMGNGRITFSVATFASDVGIAQIARGCQIGTFQMEIPADGDITATITFAGLDWETKGDDTSYFTTPVDLAGALRYSFKEVTNIRLNGVDGGTGFCVDTFNIQFDNNMQTQRCIGTGSAFAGANIPTTFTPSGQITLSWSKAAWEVYKKTFTGETVPFSFSLENAEGSYTFDFPEVQISGDWPDAGSTDIVQVQLDITAANTPPTITRVPKVPATAISVAPATSTGAVGSTVTLTATLTPADSTDTVQWTSSDPTIASVVSTGQKTAKVTRNSAGTAIITGKARTFTATSEITVTEP

Physico‐chemical properties

protein length:	390 AA
molecular weight:	41157,17850 Da
isoelectric point:	4,59557
aromaticity:	0,08718
hydropathy:	-0,11692

Domain architecture

QBP28654.1

1 390 aa

TAS 4–291 · STR 303–389 ·

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

InterPro domains

IPR044000
TAS

IPR044000 G3DSA:2.60.40.1080

IPR003343
STR

IPR003343

IPR008964
RBD

IPR008964

IPR003343
STR

IPR003343

QBP28654.1

1390 aa

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

Novel HMM domains (de novo, PhaRBP-HMM)

Experimental de novo families on regions without InterPro annotation. Separate from the InterPro architecture above.

DC_0078
STR

DC_0078

QBP28654.1

1390 aa

InterPro domain annotations

Domain ID	Category	Cluster	Start	End	Layer	Name	Pref Zone	Confidence	Evidence	Support
IPR044000	TAS	DC_0815	4	291	InterPro cluster	Phage tail tube protein-like	Central	High	Text match	36 proteins / 36 hits
G3DSA:2.60.40.1080	STR	G3DSA:2.60.40.1080	303	389	Merged direct domain	G3DSA:2.60.40.1080	Central	Low	Positional only	18 proteins / 18 hits
IPR003343	STR	DC_0008	306	386	InterPro cluster	Bacterial Ig-like domain, group 2	C-terminal	Medium	Text match	304 proteins / 473 hits
IPR008964	RBD	IPR008964	306	388	Merged direct domain	Invasin/intimin cell-adhesion fragments	C-terminal	Low	Positional only	2 proteins / 2 hits
IPR003343	STR	DC_0008	307	375	InterPro cluster	Bacterial Ig-like domain, group 2	C-terminal	Medium	Text match	304 proteins / 473 hits

Proteins with similar domain architecture

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

Domain layout

QBP28654.1

1 390 aa

Domain	Start	End	Length (AA)	Confidence
N-terminal	1	250	250	0,7667
Central domain	251	379	130	0,1139
C-terminal	380	390	10	0,5619

Note: Constraints were applied during segmentation.
Fixed 55 C-terminal predictions appearing before Central domain|C-terminal too short, adjusted boundary

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.

Phage

Klebsiella phage ST974-OXA48phi18.2 [NCBI] · taxon 2555918

Uroviricota Caudoviricetes Klebsiella phage ST974-OXA48phi18.2

Host

Klebsiella pneumoniae [NCBI] · taxon 573

Pseudomonadota Gammaproteobacteria Enterobacterales Enterobacteriaceae Klebsiella Klebsiella pneumoniae

Genbank protein accession

QBP28654.1 [NCBI]

Genbank nucleotide accession

MK448237 [NCBI]

CDS location

range 41465 -> 42637
strand +

CDS

GTGAGCTCAGGTGCAAAAGTAGTAGCTGCGTTTATTCGCGAGACAACGCCAGGAATCACGCCTACAGCAGGGGCGTGGAACCTGCTGCGTCGTTCTTCATTTGGTCTGAAACCAACGCAGAACACAAATGATAATGACGAAATCGCTGGTGACCGCATGGCGCAGGGTGTTTCACGCGGCACAGTGGATGTCGGCGGCGATGTCGGCACGCGGTTTCGCTGGAACCAGCATGATGATTTTCTTGCCAGCTGCTTCGGTTCCGAATGGGTAAATAACGTGCTGACGATGGGTAATGGTCGCATTACGTTCTCCGTGGCGACTTTTGCCAGTGATGTGGGGATCGCCCAGATTGCCCGCGGTTGTCAGATTGGCACCTTCCAGATGGAAATCCCGGCCGATGGTGATATCACTGCAACCATTACATTTGCAGGGCTGGACTGGGAGACGAAGGGGGACGATACCAGCTATTTCACCACGCCAGTGGATTTAGCGGGGGCGCTGCGTTACTCCTTCAAGGAGGTCACGAACATCCGGCTGAATGGTGTTGATGGCGGGACAGGCTTCTGCGTCGACACCTTTAACATTCAGTTCGACAACAATATGCAGACCCAGCGCTGCATCGGTACCGGTTCGGCGTTCGCCGGCGCAAACATTCCTACAACCTTTACCCCGTCAGGTCAAATCACGCTGTCATGGTCAAAAGCTGCCTGGGAGGTTTACAAAAAAACGTTCACCGGCGAAACGGTGCCGTTTAGCTTCTCCCTGGAGAATGCTGAAGGCTCCTATACCTTCGATTTCCCGGAAGTGCAGATCTCCGGCGATTGGCCGGATGCGGGGAGCACTGACATTGTTCAGGTTCAGCTGGATATCACCGCGGCCAATACTCCGCCGACGATTACGCGCGTGCCTAAAGTGCCGGCGACGGCAATCAGTGTTGCGCCAGCCACTTCAACTGGCGCCGTGGGTTCTACTGTGACGTTAACCGCCACGCTTACGCCAGCTGATTCAACTGATACCGTCCAGTGGACGTCATCGGATCCGACTATCGCCAGTGTGGTTTCTACCGGGCAGAAAACAGCGAAGGTCACGCGTAACTCAGCCGGTACTGCAATCATCACTGGTAAGGCCCGCACCTTTACCGCAACGTCTGAAATCACCGTTACCGAGCCTTAA

Protein

Domains

Tail Spike Domain Segmentation

Taxonomy

Coding sequence (CDS)

Genome Context

Tertiary structure

Predicted Aligned Error (PAE)