Several competing models, although correctly dealing with the conformation of each individual peptide chain, gave way to the triple-helical " Madras " model, which provided an essentially correct model of the molecule's quaternary structure although this model still required some refinement .< ref > The packing structure of collagen has not been defined to the same degree outside of the fibrillar collagen types, although it has been long known to be hexagonal or quasi-hexagonal.

Several competing theories have been introduced to explain the origin of modern Romanians.

Several generations of scholarly thought on revolutions have generated many competing theories and contributed much to the current understanding of this complex phenomenon.

Several of the competing exhibitions have been organized by the publicly traded US company Premier Exhibitions.

Several competing designs were offered, and even more were drawn up prior to reaching prototype stage.

Several competing satay hotspots have since emerged, with no one being able to lay claim to the reputation the Satay Club had at the Esplanade.

Several competing etymologies for kobold have been suggested.

Several states ( Virginia, Massachusetts, New York, and Connecticut ) then had competing claims on the territory.

Several teams are competing to break the record, including Richard Noble's Bloodhound SSC project and the North American Eagle project.

Several competing organizations have developed specifications, including the HomePlug Powerline Alliance, Universal Powerline Association and HD-PLC Alliance.

Several bus companies operate services along all or part of the corridor, competing for the large numbers of passengers who use the route.

Several competing stories tell of Kintarō's childhood.

Several Choose your Own Adventure spin-offs and many competing series were translated into other languages.

Several segments featured child contestants competing to win prizes.

Several competing technologies emerged that made use of the 902-928 MHz ISM band, such as:

Several years later, the FCC denied renewal of all RKO General's broadcast licenses ( with the exception of WOR-TV in Secaucus, N. J. which gained a permanent license by agreeing to relocate to New Jersey from New York City ) and assigned the licenses to designated competing applicants.

Several companies provide competing CA systems ; SafeAccess, VideoGuard, Irdeto Access, Nagravision, CoreTrust, Conax, Viaccess, Latens, Verimatrix, and Mediaguard ( a. k. a. SECA ) are among the most commonly used CA systems.

Several years later, American Express tries to smear Safra, after he attempts to open a competing business.

Several Jewish bankers became extremely influential, successfully competing with non-Jewish banking houses in the floating of government loans.

Several of them gained their positions through the patronage of Yasser Arafat, who balanced above the different factions, and the era after his death in 2004 has seen increased infighting among these groups, who jockey for influence over future development, the political line, funds, and constituencies.

Several music factions wanted to claim the Jordan sound as its own and encouraged him to follow in the track of other artists.

Several members of his cabinet, who were leaders of rival factions in the party, were arrested and detained without charge.

Several Locarno families, including members of the Capitanei di Locarno and Simone da Orello, played an important role in the battles between the two factions.

Several of these factions split from Tezla's original empire, and others have organized and grown since Tezla's death.

Several political factions lobbied for possible husbands, which included English and French princes.

Several factions of the River Brethren withdrew in the middle of 19th century, including the Yorker Brethren and the United Zion Church, while the main body took the name Brethren in Christ, by which a group of Mennonites is also known.

Several Opposition factions contested the 1900 general election against the non-partisan government but these were loose formations.

* Several anarchist factions of the Russian Civil War, also known as the Black Guards

Several months earlier, Blok had delivered a celebrated lecture on Alexander Pushkin, the memory of whom he believed to be capable of uniting White and Soviet Russian factions.

Several leaders were interned in the Bereza Kartuska Detention Camp, where the organisation split into two separate factions: the ONR-Falanga ( Ruch Narodowo-Radykalny ) led by Bolesław Piasecki and the ONR-ABC ( Obóz Narodowo-Radykalny ) formed around the ABC journal and led by Henryk Rossman.

Several factions were removed from the game for various reasons, to retain only eight: the original six factions from Imperial Edition, the Scorpion Clan, and the Shadowlands Horde ( until then known as Yogo Junzo's Army ).

Several factions within the Philadelphia family began conspiring to betray the aging Bruno.

Several factions inside the Costa Rican Army sought to pursue and kill Walker, thus ending the war.

Several Muslim League stalwarts including Khurshid Mahmud Kasuri, Hamid Nasir Chattha, and Gohar Ayub Khan joined the breakaway faction while others including Shaikh Rasheed Ahmad and Ijaz-ul-Haq formed their own separate factions of Muslim League.

Several smaller factions signed the Khartoum Peace Agreement with the government in April 1997 and formed the United Democratic Salvation Front ( UDSF ).

Several external actors, Libya, Burundi and Rwanda, had direct interests in the outcome of the talks, supporting one or several factions.

Several years of her life have been spent in the homeland, and she had written to friends to alert them of our coming.

Several conventions have been held in recent months in hotels on a nonsegregated basis.

Several dentists and patients with special dental problems have experimented with the device.

Several germanium resistors have been thermally cycled from 300 to 4.2 Af and their resistances have been found to be reproducible within 1/3 millidegree when temperatures were derived from a vapor pressure thermometer whose tubing is jacketed through most of the liquid helium.

Several financial institutions, both banks and insurance companies, have been sounded out.

Several days after the companies had received the questionnaire, members of the research team contacted the presidents of eleven of these companies in person or by phone to discuss any ambiguities or difficulties the addressees might have experienced in completing the questionnaire.

Several signers affixed their names, it was learned, after being told that no tax increase would be possible without consent of the General Assembly and that a provision could be included in the charter to have the town take over the Johnston Sanitary District sewer system.

( Several times recently I have wondered whether shows were being staged for the sake of the script or just to entertain the audience with the spectacle of scenery being shifted right in front of their eyes.

Several of these double entries have been collected by Ben Bagley and Michael McWhinney, along with Rodgers and Hart songs that disappeared permanently en route to New York and others that reached Broadway but have not become part of the constantly heard Rodgers and Hart repertory, in a delightfully refreshing album, Rodgers And Hart Revisited ( Spruce Records, 505 Fifth Avenue, New York ).

Several robot cities have been planned for the country: the first will be built in 2009 at a cost of 500 billion won, of which 50 billion is direct government investment.

Several of the dialects have been influenced by contact with non-Germanic linguistic groups, such as the dialect of Carinthia, where in the past many speakers were bilingual with Slovene, and the dialect of Vienna, which has been influenced by immigration during the Austro-Hungarian period, particularly from what is today the Czech Republic.

Several AFI Alums have received both national and international recognition.

Several unusual applications, such as a nuclear battery or fuel for space ships with nuclear propulsion, have been proposed for the isotope < sup > 242m </ sup > Am, but they are as yet hindered by the scarcity and high price of this nuclear isomer.

Several biographical programs have been made, such as the 2004 BBC television programme entitled Agatha Christie: A Life in Pictures, in which she is portrayed by Olivia Williams, Anna Massey, and Bonnie Wright.

Several additional candidates for written ASL have appeared in over the years, including Sutton SignWriting, Sign Script, ASL-phabet, and Si5s.

Several genres of fiction have been confused as alternate histories.

Several volcanoes on offshore islands have records of historic activity.

Several of Ambrose's works have recently been published in the bilingual Latin-German Fontes Christiani series ( currently edited by Brepols ).

Several religious brotherhoods which have sprung up in and around Milan at various times since the 14th century have been called Ambrosians.

Several saints and six popes have borne this name, including the only English pope, Adrian IV, and the only Dutch pope, Adrian VI.

Several alternatives to the human sacrifice have been presented in Greek mythology.

Several other princes have borne the name Alexander: